Home / 112,264.61-154,925.12-76,517.04

Finding the Fourth Proportional to 112,264.61, 154,925.12 and 76,517.04

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Solution

The fourth proportional to 112,264.61, 154,925.12 and 76,517.04 is: 105,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.61 : 154,925.12 = 76,517.04 : x
  2. Step 2: Convert to fraction form
    112,264.61/154,925.12 = 76,517.04/x
  3. Step 3: Cross multiply
    112,264.61x = 154,925.12 × 76,517.04
  4. Step 4: Simplify right side
    112,264.61x = 11,854,411,802.43
  5. Step 5: Solve for x
    x = 11,854,411,802.43/112,264.61
  6. Step 6: Final answer
    x = 105,593.49

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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.