Home / 153,541.72-230,312.60-59,981.88

Finding the Fourth Proportional to 153,541.72, 230,312.60 and 59,981.88

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Solution

The fourth proportional to 153,541.72, 230,312.60 and 59,981.88 is: 89,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,541.72 : 230,312.60 = 59,981.88 : x
  2. Step 2: Convert to fraction form
    153,541.72/230,312.60 = 59,981.88/x
  3. Step 3: Cross multiply
    153,541.72x = 230,312.60 × 59,981.88
  4. Step 4: Simplify right side
    153,541.72x = 13,814,582,735.69
  5. Step 5: Solve for x
    x = 13,814,582,735.69/153,541.72
  6. Step 6: Final answer
    x = 89,972.83

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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.