Home / 156,701.71-216,426.41-105,626.35

Finding the Fourth Proportional to 156,701.71, 216,426.41 and 105,626.35

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Solution

The fourth proportional to 156,701.71, 216,426.41 and 105,626.35 is: 145,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.71 : 216,426.41 = 105,626.35 : x
  2. Step 2: Convert to fraction form
    156,701.71/216,426.41 = 105,626.35/x
  3. Step 3: Cross multiply
    156,701.71x = 216,426.41 × 105,626.35
  4. Step 4: Simplify right side
    156,701.71x = 22,860,331,731.90
  5. Step 5: Solve for x
    x = 22,860,331,731.90/156,701.71
  6. Step 6: Final answer
    x = 145,884.38

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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.