Home / 112,189.39-154,823.25-61,202.14

Finding the Fourth Proportional to 112,189.39, 154,823.25 and 61,202.14

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Solution

The fourth proportional to 112,189.39, 154,823.25 and 61,202.14 is: 84,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,189.39 : 154,823.25 = 61,202.14 : x
  2. Step 2: Convert to fraction form
    112,189.39/154,823.25 = 61,202.14/x
  3. Step 3: Cross multiply
    112,189.39x = 154,823.25 × 61,202.14
  4. Step 4: Simplify right side
    112,189.39x = 9,475,514,221.76
  5. Step 5: Solve for x
    x = 9,475,514,221.76/112,189.39
  6. Step 6: Final answer
    x = 84,459.99

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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.