Home / 109,280.20-163,718.70-62,393.80

Finding the Fourth Proportional to 109,280.20, 163,718.70 and 62,393.80

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Solution

The fourth proportional to 109,280.20, 163,718.70 and 62,393.80 is: 93,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,280.20 : 163,718.70 = 62,393.80 : x
  2. Step 2: Convert to fraction form
    109,280.20/163,718.70 = 62,393.80/x
  3. Step 3: Cross multiply
    109,280.20x = 163,718.70 × 62,393.80
  4. Step 4: Simplify right side
    109,280.20x = 10,215,031,824.06
  5. Step 5: Solve for x
    x = 10,215,031,824.06/109,280.20
  6. Step 6: Final answer
    x = 93,475.60

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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.