Home / 132,541.98-198,937.53-69,407.40

Finding the Fourth Proportional to 132,541.98, 198,937.53 and 69,407.40

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Solution

The fourth proportional to 132,541.98, 198,937.53 and 69,407.40 is: 104,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,541.98 : 198,937.53 = 69,407.40 : x
  2. Step 2: Convert to fraction form
    132,541.98/198,937.53 = 69,407.40/x
  3. Step 3: Cross multiply
    132,541.98x = 198,937.53 × 69,407.40
  4. Step 4: Simplify right side
    132,541.98x = 13,807,736,719.72
  5. Step 5: Solve for x
    x = 13,807,736,719.72/132,541.98
  6. Step 6: Final answer
    x = 104,176.33

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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.