Home / 129,733.62-179,032.29-70,117.62

Finding the Fourth Proportional to 129,733.62, 179,032.29 and 70,117.62

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Solution

The fourth proportional to 129,733.62, 179,032.29 and 70,117.62 is: 96,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,733.62 : 179,032.29 = 70,117.62 : x
  2. Step 2: Convert to fraction form
    129,733.62/179,032.29 = 70,117.62/x
  3. Step 3: Cross multiply
    129,733.62x = 179,032.29 × 70,117.62
  4. Step 4: Simplify right side
    129,733.62x = 12,553,318,077.95
  5. Step 5: Solve for x
    x = 12,553,318,077.95/129,733.62
  6. Step 6: Final answer
    x = 96,762.26

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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.