Home / 113,815.17-157,069.85-63,514.17

Finding the Fourth Proportional to 113,815.17, 157,069.85 and 63,514.17

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Solution

The fourth proportional to 113,815.17, 157,069.85 and 63,514.17 is: 87,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.17 : 157,069.85 = 63,514.17 : x
  2. Step 2: Convert to fraction form
    113,815.17/157,069.85 = 63,514.17/x
  3. Step 3: Cross multiply
    113,815.17x = 157,069.85 × 63,514.17
  4. Step 4: Simplify right side
    113,815.17x = 9,976,160,837.20
  5. Step 5: Solve for x
    x = 9,976,160,837.20/113,815.17
  6. Step 6: Final answer
    x = 87,652.29

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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.