Home / 207,681.09-286,600.17-112,187.79

Finding the Fourth Proportional to 207,681.09, 286,600.17 and 112,187.79

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Solution

The fourth proportional to 207,681.09, 286,600.17 and 112,187.79 is: 154,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,681.09 : 286,600.17 = 112,187.79 : x
  2. Step 2: Convert to fraction form
    207,681.09/286,600.17 = 112,187.79/x
  3. Step 3: Cross multiply
    207,681.09x = 286,600.17 × 112,187.79
  4. Step 4: Simplify right side
    207,681.09x = 32,153,039,685.92
  5. Step 5: Solve for x
    x = 32,153,039,685.92/207,681.09
  6. Step 6: Final answer
    x = 154,819.29

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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.