Home / 130,587.50-196,062.84-67,454.28

Finding the Fourth Proportional to 130,587.50, 196,062.84 and 67,454.28

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Solution

The fourth proportional to 130,587.50, 196,062.84 and 67,454.28 is: 101,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,587.50 : 196,062.84 = 67,454.28 : x
  2. Step 2: Convert to fraction form
    130,587.50/196,062.84 = 67,454.28/x
  3. Step 3: Cross multiply
    130,587.50x = 196,062.84 × 67,454.28
  4. Step 4: Simplify right side
    130,587.50x = 13,225,277,706.96
  5. Step 5: Solve for x
    x = 13,225,277,706.96/130,587.50
  6. Step 6: Final answer
    x = 101,275.22

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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.