Home / 113,816.07-157,073.45-63,515.07

Finding the Fourth Proportional to 113,816.07, 157,073.45 and 63,515.07

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Solution

The fourth proportional to 113,816.07, 157,073.45 and 63,515.07 is: 87,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.07 : 157,073.45 = 63,515.07 : x
  2. Step 2: Convert to fraction form
    113,816.07/157,073.45 = 63,515.07/x
  3. Step 3: Cross multiply
    113,816.07x = 157,073.45 × 63,515.07
  4. Step 4: Simplify right side
    113,816.07x = 9,976,530,854.32
  5. Step 5: Solve for x
    x = 9,976,530,854.32/113,816.07
  6. Step 6: Final answer
    x = 87,654.85

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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.