Home / 125,244.04-172,838.88-67,885.18

Finding the Fourth Proportional to 125,244.04, 172,838.88 and 67,885.18

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Solution

The fourth proportional to 125,244.04, 172,838.88 and 67,885.18 is: 93,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,244.04 : 172,838.88 = 67,885.18 : x
  2. Step 2: Convert to fraction form
    125,244.04/172,838.88 = 67,885.18/x
  3. Step 3: Cross multiply
    125,244.04x = 172,838.88 × 67,885.18
  4. Step 4: Simplify right side
    125,244.04x = 11,733,198,479.80
  5. Step 5: Solve for x
    x = 11,733,198,479.80/125,244.04
  6. Step 6: Final answer
    x = 93,682.69

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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.