Home / 112,175.90-154,805.66-61,189.49

Finding the Fourth Proportional to 112,175.90, 154,805.66 and 61,189.49

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Solution

The fourth proportional to 112,175.90, 154,805.66 and 61,189.49 is: 84,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.90 : 154,805.66 = 61,189.49 : x
  2. Step 2: Convert to fraction form
    112,175.90/154,805.66 = 61,189.49/x
  3. Step 3: Cross multiply
    112,175.90x = 154,805.66 × 61,189.49
  4. Step 4: Simplify right side
    112,175.90x = 9,472,478,869.86
  5. Step 5: Solve for x
    x = 9,472,478,869.86/112,175.90
  6. Step 6: Final answer
    x = 84,443.08

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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.