Home / 107,835.40-161,753.10-98,158.60

Finding the Fourth Proportional to 107,835.40, 161,753.10 and 98,158.60

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Solution

The fourth proportional to 107,835.40, 161,753.10 and 98,158.60 is: 147,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.40 : 161,753.10 = 98,158.60 : x
  2. Step 2: Convert to fraction form
    107,835.40/161,753.10 = 98,158.60/x
  3. Step 3: Cross multiply
    107,835.40x = 161,753.10 × 98,158.60
  4. Step 4: Simplify right side
    107,835.40x = 15,877,457,841.66
  5. Step 5: Solve for x
    x = 15,877,457,841.66/107,835.40
  6. Step 6: Final answer
    x = 147,237.90

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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.