Home / 154,830.10-232,304.32-60,126.78

Finding the Fourth Proportional to 154,830.10, 232,304.32 and 60,126.78

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Solution

The fourth proportional to 154,830.10, 232,304.32 and 60,126.78 is: 90,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,830.10 : 232,304.32 = 60,126.78 : x
  2. Step 2: Convert to fraction form
    154,830.10/232,304.32 = 60,126.78/x
  3. Step 3: Cross multiply
    154,830.10x = 232,304.32 × 60,126.78
  4. Step 4: Simplify right side
    154,830.10x = 13,967,710,741.69
  5. Step 5: Solve for x
    x = 13,967,710,741.69/154,830.10
  6. Step 6: Final answer
    x = 90,213.15

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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.