Home / 153,931.59-230,909.65-54,114.17

Finding the Fourth Proportional to 153,931.59, 230,909.65 and 54,114.17

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Solution

The fourth proportional to 153,931.59, 230,909.65 and 54,114.17 is: 81,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,931.59 : 230,909.65 = 54,114.17 : x
  2. Step 2: Convert to fraction form
    153,931.59/230,909.65 = 54,114.17/x
  3. Step 3: Cross multiply
    153,931.59x = 230,909.65 × 54,114.17
  4. Step 4: Simplify right side
    153,931.59x = 12,495,482,764.91
  5. Step 5: Solve for x
    x = 12,495,482,764.91/153,931.59
  6. Step 6: Final answer
    x = 81,175.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.