Home / 207,718.91-286,652.24-112,225.58

Finding the Fourth Proportional to 207,718.91, 286,652.24 and 112,225.58

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Solution

The fourth proportional to 207,718.91, 286,652.24 and 112,225.58 is: 154,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,718.91 : 286,652.24 = 112,225.58 : x
  2. Step 2: Convert to fraction form
    207,718.91/286,652.24 = 112,225.58/x
  3. Step 3: Cross multiply
    207,718.91x = 286,652.24 × 112,225.58
  4. Step 4: Simplify right side
    207,718.91x = 32,169,711,897.91
  5. Step 5: Solve for x
    x = 32,169,711,897.91/207,718.91
  6. Step 6: Final answer
    x = 154,871.37

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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.