Home / 154,330.81-231,505.13-59,561.48

Finding the Fourth Proportional to 154,330.81, 231,505.13 and 59,561.48

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Solution

The fourth proportional to 154,330.81, 231,505.13 and 59,561.48 is: 89,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,330.81 : 231,505.13 = 59,561.48 : x
  2. Step 2: Convert to fraction form
    154,330.81/231,505.13 = 59,561.48/x
  3. Step 3: Cross multiply
    154,330.81x = 231,505.13 × 59,561.48
  4. Step 4: Simplify right side
    154,330.81x = 13,788,788,451.35
  5. Step 5: Solve for x
    x = 13,788,788,451.35/154,330.81
  6. Step 6: Final answer
    x = 89,345.66

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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.