Home / 98,623.20-147,643.20-88,125.60

Finding the Fourth Proportional to 98,623.20, 147,643.20 and 88,125.60

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Solution

The fourth proportional to 98,623.20, 147,643.20 and 88,125.60 is: 131,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.20 : 147,643.20 = 88,125.60 : x
  2. Step 2: Convert to fraction form
    98,623.20/147,643.20 = 88,125.60/x
  3. Step 3: Cross multiply
    98,623.20x = 147,643.20 × 88,125.60
  4. Step 4: Simplify right side
    98,623.20x = 13,011,145,585.92
  5. Step 5: Solve for x
    x = 13,011,145,585.92/98,623.20
  6. Step 6: Final answer
    x = 131,927.84

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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.