Home / 130,881.54-196,340.87-42,114.42

Finding the Fourth Proportional to 130,881.54, 196,340.87 and 42,114.42

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Solution

The fourth proportional to 130,881.54, 196,340.87 and 42,114.42 is: 63,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,881.54 : 196,340.87 = 42,114.42 : x
  2. Step 2: Convert to fraction form
    130,881.54/196,340.87 = 42,114.42/x
  3. Step 3: Cross multiply
    130,881.54x = 196,340.87 × 42,114.42
  4. Step 4: Simplify right side
    130,881.54x = 8,268,781,862.35
  5. Step 5: Solve for x
    x = 8,268,781,862.35/130,881.54
  6. Step 6: Final answer
    x = 63,177.60

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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.