Home / 207,558.76-286,326.48-121,461.16

Finding the Fourth Proportional to 207,558.76, 286,326.48 and 121,461.16

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Solution

The fourth proportional to 207,558.76, 286,326.48 and 121,461.16 is: 167,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,558.76 : 286,326.48 = 121,461.16 : x
  2. Step 2: Convert to fraction form
    207,558.76/286,326.48 = 121,461.16/x
  3. Step 3: Cross multiply
    207,558.76x = 286,326.48 × 121,461.16
  4. Step 4: Simplify right side
    207,558.76x = 34,777,546,399.52
  5. Step 5: Solve for x
    x = 34,777,546,399.52/207,558.76
  6. Step 6: Final answer
    x = 167,555.18

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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.