Home / 154,254.42-231,407.55-49,105.62

Finding the Fourth Proportional to 154,254.42, 231,407.55 and 49,105.62

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Solution

The fourth proportional to 154,254.42, 231,407.55 and 49,105.62 is: 73,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,254.42 : 231,407.55 = 49,105.62 : x
  2. Step 2: Convert to fraction form
    154,254.42/231,407.55 = 49,105.62/x
  3. Step 3: Cross multiply
    154,254.42x = 231,407.55 × 49,105.62
  4. Step 4: Simplify right side
    154,254.42x = 11,363,411,215.43
  5. Step 5: Solve for x
    x = 11,363,411,215.43/154,254.42
  6. Step 6: Final answer
    x = 73,666.68

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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.