Home / 113,590.29-156,781.32-70,602.25

Finding the Fourth Proportional to 113,590.29, 156,781.32 and 70,602.25

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Solution

The fourth proportional to 113,590.29, 156,781.32 and 70,602.25 is: 97,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590.29 : 156,781.32 = 70,602.25 : x
  2. Step 2: Convert to fraction form
    113,590.29/156,781.32 = 70,602.25/x
  3. Step 3: Cross multiply
    113,590.29x = 156,781.32 × 70,602.25
  4. Step 4: Simplify right side
    113,590.29x = 11,069,113,949.97
  5. Step 5: Solve for x
    x = 11,069,113,949.97/113,590.29
  6. Step 6: Final answer
    x = 97,447.71

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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.