Home / 153,931.26-230,931.51-54,098.35

Finding the Fourth Proportional to 153,931.26, 230,931.51 and 54,098.35

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Solution

The fourth proportional to 153,931.26, 230,931.51 and 54,098.35 is: 81,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,931.26 : 230,931.51 = 54,098.35 : x
  2. Step 2: Convert to fraction form
    153,931.26/230,931.51 = 54,098.35/x
  3. Step 3: Cross multiply
    153,931.26x = 230,931.51 × 54,098.35
  4. Step 4: Simplify right side
    153,931.26x = 12,493,013,654.01
  5. Step 5: Solve for x
    x = 12,493,013,654.01/153,931.26
  6. Step 6: Final answer
    x = 81,159.69

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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.