Home / 107,834.60-161,751.90-98,503.40

Finding the Fourth Proportional to 107,834.60, 161,751.90 and 98,503.40

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Solution

The fourth proportional to 107,834.60, 161,751.90 and 98,503.40 is: 147,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,834.60 : 161,751.90 = 98,503.40 : x
  2. Step 2: Convert to fraction form
    107,834.60/161,751.90 = 98,503.40/x
  3. Step 3: Cross multiply
    107,834.60x = 161,751.90 × 98,503.40
  4. Step 4: Simplify right side
    107,834.60x = 15,933,112,106.46
  5. Step 5: Solve for x
    x = 15,933,112,106.46/107,834.60
  6. Step 6: Final answer
    x = 147,755.10

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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.