Home / 152,947.20-210,981.60-96,260.16

Finding the Fourth Proportional to 152,947.20, 210,981.60 and 96,260.16

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Solution

The fourth proportional to 152,947.20, 210,981.60 and 96,260.16 is: 132,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,947.20 : 210,981.60 = 96,260.16 : x
  2. Step 2: Convert to fraction form
    152,947.20/210,981.60 = 96,260.16/x
  3. Step 3: Cross multiply
    152,947.20x = 210,981.60 × 96,260.16
  4. Step 4: Simplify right side
    152,947.20x = 20,309,122,573.06
  5. Step 5: Solve for x
    x = 20,309,122,573.06/152,947.20
  6. Step 6: Final answer
    x = 132,785.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.