Home / 296,721.60-445,082.40-130,833.60

Finding the Fourth Proportional to 296,721.60, 445,082.40 and 130,833.60

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Solution

The fourth proportional to 296,721.60, 445,082.40 and 130,833.60 is: 196,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,721.60 : 445,082.40 = 130,833.60 : x
  2. Step 2: Convert to fraction form
    296,721.60/445,082.40 = 130,833.60/x
  3. Step 3: Cross multiply
    296,721.60x = 445,082.40 × 130,833.60
  4. Step 4: Simplify right side
    296,721.60x = 58,231,732,688.64
  5. Step 5: Solve for x
    x = 58,231,732,688.64/296,721.60
  6. Step 6: Final answer
    x = 196,250.40

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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.