Home / 113,800.18-157,043.40-62,812.90

Finding the Fourth Proportional to 113,800.18, 157,043.40 and 62,812.90

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Solution

The fourth proportional to 113,800.18, 157,043.40 and 62,812.90 is: 86,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.18 : 157,043.40 = 62,812.90 : x
  2. Step 2: Convert to fraction form
    113,800.18/157,043.40 = 62,812.90/x
  3. Step 3: Cross multiply
    113,800.18x = 157,043.40 × 62,812.90
  4. Step 4: Simplify right side
    113,800.18x = 9,864,351,379.86
  5. Step 5: Solve for x
    x = 9,864,351,379.86/113,800.18
  6. Step 6: Final answer
    x = 86,681.33

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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.