Home / 111,365.27-153,682.19-62,966.40

Finding the Fourth Proportional to 111,365.27, 153,682.19 and 62,966.40

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Solution

The fourth proportional to 111,365.27, 153,682.19 and 62,966.40 is: 86,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,365.27 : 153,682.19 = 62,966.40 : x
  2. Step 2: Convert to fraction form
    111,365.27/153,682.19 = 62,966.40/x
  3. Step 3: Cross multiply
    111,365.27x = 153,682.19 × 62,966.40
  4. Step 4: Simplify right side
    111,365.27x = 9,676,814,248.42
  5. Step 5: Solve for x
    x = 9,676,814,248.42/111,365.27
  6. Step 6: Final answer
    x = 86,892.57

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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.