Home / 154,124.16-231,253.08-54,355.68

Finding the Fourth Proportional to 154,124.16, 231,253.08 and 54,355.68

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Solution

The fourth proportional to 154,124.16, 231,253.08 and 54,355.68 is: 81,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,124.16 : 231,253.08 = 54,355.68 : x
  2. Step 2: Convert to fraction form
    154,124.16/231,253.08 = 54,355.68/x
  3. Step 3: Cross multiply
    154,124.16x = 231,253.08 × 54,355.68
  4. Step 4: Simplify right side
    154,124.16x = 12,569,918,415.49
  5. Step 5: Solve for x
    x = 12,569,918,415.49/154,124.16
  6. Step 6: Final answer
    x = 81,557.09

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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.