Home / 132,548.16-198,763.92-70,204.08

Finding the Fourth Proportional to 132,548.16, 198,763.92 and 70,204.08

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Solution

The fourth proportional to 132,548.16, 198,763.92 and 70,204.08 is: 105,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,548.16 : 198,763.92 = 70,204.08 : x
  2. Step 2: Convert to fraction form
    132,548.16/198,763.92 = 70,204.08/x
  3. Step 3: Cross multiply
    132,548.16x = 198,763.92 × 70,204.08
  4. Step 4: Simplify right side
    132,548.16x = 13,954,038,140.79
  5. Step 5: Solve for x
    x = 13,954,038,140.79/132,548.16
  6. Step 6: Final answer
    x = 105,275.23

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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.