Home / 154,061.16-230,938.65-107,215.62

Finding the Fourth Proportional to 154,061.16, 230,938.65 and 107,215.62

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Solution

The fourth proportional to 154,061.16, 230,938.65 and 107,215.62 is: 160,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,061.16 : 230,938.65 = 107,215.62 : x
  2. Step 2: Convert to fraction form
    154,061.16/230,938.65 = 107,215.62/x
  3. Step 3: Cross multiply
    154,061.16x = 230,938.65 × 107,215.62
  4. Step 4: Simplify right side
    154,061.16x = 24,760,230,541.71
  5. Step 5: Solve for x
    x = 24,760,230,541.71/154,061.16
  6. Step 6: Final answer
    x = 160,716.89

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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.