Home / 154,565.47-231,881.01-53,372.98

Finding the Fourth Proportional to 154,565.47, 231,881.01 and 53,372.98

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Solution

The fourth proportional to 154,565.47, 231,881.01 and 53,372.98 is: 80,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,565.47 : 231,881.01 = 53,372.98 : x
  2. Step 2: Convert to fraction form
    154,565.47/231,881.01 = 53,372.98/x
  3. Step 3: Cross multiply
    154,565.47x = 231,881.01 × 53,372.98
  4. Step 4: Simplify right side
    154,565.47x = 12,376,180,509.11
  5. Step 5: Solve for x
    x = 12,376,180,509.11/154,565.47
  6. Step 6: Final answer
    x = 80,070.80

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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.