Home / 136,130.60-204,195.90-98,514.20

Finding the Fourth Proportional to 136,130.60, 204,195.90 and 98,514.20

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Solution

The fourth proportional to 136,130.60, 204,195.90 and 98,514.20 is: 147,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,130.60 : 204,195.90 = 98,514.20 : x
  2. Step 2: Convert to fraction form
    136,130.60/204,195.90 = 98,514.20/x
  3. Step 3: Cross multiply
    136,130.60x = 204,195.90 × 98,514.20
  4. Step 4: Simplify right side
    136,130.60x = 20,116,195,731.78
  5. Step 5: Solve for x
    x = 20,116,195,731.78/136,130.60
  6. Step 6: Final answer
    x = 147,771.30

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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.