Home / 147,037.20-219,972.60-127,532.40

Finding the Fourth Proportional to 147,037.20, 219,972.60 and 127,532.40

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Solution

The fourth proportional to 147,037.20, 219,972.60 and 127,532.40 is: 190,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,037.20 : 219,972.60 = 127,532.40 : x
  2. Step 2: Convert to fraction form
    147,037.20/219,972.60 = 127,532.40/x
  3. Step 3: Cross multiply
    147,037.20x = 219,972.60 × 127,532.40
  4. Step 4: Simplify right side
    147,037.20x = 28,053,633,612.24
  5. Step 5: Solve for x
    x = 28,053,633,612.24/147,037.20
  6. Step 6: Final answer
    x = 190,792.76

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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.