Home / 107,848.60-161,772.90-98,517.40

Finding the Fourth Proportional to 107,848.60, 161,772.90 and 98,517.40

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Solution

The fourth proportional to 107,848.60, 161,772.90 and 98,517.40 is: 147,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,848.60 : 161,772.90 = 98,517.40 : x
  2. Step 2: Convert to fraction form
    107,848.60/161,772.90 = 98,517.40/x
  3. Step 3: Cross multiply
    107,848.60x = 161,772.90 × 98,517.40
  4. Step 4: Simplify right side
    107,848.60x = 15,937,445,498.46
  5. Step 5: Solve for x
    x = 15,937,445,498.46/107,848.60
  6. Step 6: Final answer
    x = 147,776.10

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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.