Home / 118,512.60-163,549.96-70,757.04

Finding the Fourth Proportional to 118,512.60, 163,549.96 and 70,757.04

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Solution

The fourth proportional to 118,512.60, 163,549.96 and 70,757.04 is: 97,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,512.60 : 163,549.96 = 70,757.04 : x
  2. Step 2: Convert to fraction form
    118,512.60/163,549.96 = 70,757.04/x
  3. Step 3: Cross multiply
    118,512.60x = 163,549.96 × 70,757.04
  4. Step 4: Simplify right side
    118,512.60x = 11,572,311,061.72
  5. Step 5: Solve for x
    x = 11,572,311,061.72/118,512.60
  6. Step 6: Final answer
    x = 97,646.25

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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.