Home / 136,130.10-204,195.15-98,513.70

Finding the Fourth Proportional to 136,130.10, 204,195.15 and 98,513.70

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Solution

The fourth proportional to 136,130.10, 204,195.15 and 98,513.70 is: 147,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,130.10 : 204,195.15 = 98,513.70 : x
  2. Step 2: Convert to fraction form
    136,130.10/204,195.15 = 98,513.70/x
  3. Step 3: Cross multiply
    136,130.10x = 204,195.15 × 98,513.70
  4. Step 4: Simplify right side
    136,130.10x = 20,116,019,748.56
  5. Step 5: Solve for x
    x = 20,116,019,748.56/136,130.10
  6. Step 6: Final answer
    x = 147,770.55

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1.5x scale

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.