Home / 156,400.08-234,425.16-67,520.40

Finding the Fourth Proportional to 156,400.08, 234,425.16 and 67,520.40

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Solution

The fourth proportional to 156,400.08, 234,425.16 and 67,520.40 is: 101,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,400.08 : 234,425.16 = 67,520.40 : x
  2. Step 2: Convert to fraction form
    156,400.08/234,425.16 = 67,520.40/x
  3. Step 3: Cross multiply
    156,400.08x = 234,425.16 × 67,520.40
  4. Step 4: Simplify right side
    156,400.08x = 15,828,480,573.26
  5. Step 5: Solve for x
    x = 15,828,480,573.26/156,400.08
  6. Step 6: Final answer
    x = 101,205.07

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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.