Home / 156,803.04-216,367.20-93,117.60

Finding the Fourth Proportional to 156,803.04, 216,367.20 and 93,117.60

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Solution

The fourth proportional to 156,803.04, 216,367.20 and 93,117.60 is: 128,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,803.04 : 216,367.20 = 93,117.60 : x
  2. Step 2: Convert to fraction form
    156,803.04/216,367.20 = 93,117.60/x
  3. Step 3: Cross multiply
    156,803.04x = 216,367.20 × 93,117.60
  4. Step 4: Simplify right side
    156,803.04x = 20,147,594,382.72
  5. Step 5: Solve for x
    x = 20,147,594,382.72/156,803.04
  6. Step 6: Final answer
    x = 128,489.82

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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.