Home / 154,580.40-231,735.60-59,875.20

Finding the Fourth Proportional to 154,580.40, 231,735.60 and 59,875.20

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Solution

The fourth proportional to 154,580.40, 231,735.60 and 59,875.20 is: 89,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,580.40 : 231,735.60 = 59,875.20 : x
  2. Step 2: Convert to fraction form
    154,580.40/231,735.60 = 59,875.20/x
  3. Step 3: Cross multiply
    154,580.40x = 231,735.60 × 59,875.20
  4. Step 4: Simplify right side
    154,580.40x = 13,875,215,397.12
  5. Step 5: Solve for x
    x = 13,875,215,397.12/154,580.40
  6. Step 6: Final answer
    x = 89,760.51

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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.