Home / 207,609.54-286,501.15-112,116.23

Finding the Fourth Proportional to 207,609.54, 286,501.15 and 112,116.23

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Solution

The fourth proportional to 207,609.54, 286,501.15 and 112,116.23 is: 154,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,609.54 : 286,501.15 = 112,116.23 : x
  2. Step 2: Convert to fraction form
    207,609.54/286,501.15 = 112,116.23/x
  3. Step 3: Cross multiply
    207,609.54x = 286,501.15 × 112,116.23
  4. Step 4: Simplify right side
    207,609.54x = 32,121,428,828.66
  5. Step 5: Solve for x
    x = 32,121,428,828.66/207,609.54
  6. Step 6: Final answer
    x = 154,720.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.