Home / 98,746.80-147,688.20-88,292.40

Finding the Fourth Proportional to 98,746.80, 147,688.20 and 88,292.40

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Solution

The fourth proportional to 98,746.80, 147,688.20 and 88,292.40 is: 132,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.80 : 147,688.20 = 88,292.40 : x
  2. Step 2: Convert to fraction form
    98,746.80/147,688.20 = 88,292.40/x
  3. Step 3: Cross multiply
    98,746.80x = 147,688.20 × 88,292.40
  4. Step 4: Simplify right side
    98,746.80x = 13,039,745,629.68
  5. Step 5: Solve for x
    x = 13,039,745,629.68/98,746.80
  6. Step 6: Final answer
    x = 132,052.34

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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.