Home / 188,655.18-282,885.39-55,518.15

Finding the Fourth Proportional to 188,655.18, 282,885.39 and 55,518.15

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Solution

The fourth proportional to 188,655.18, 282,885.39 and 55,518.15 is: 83,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,655.18 : 282,885.39 = 55,518.15 : x
  2. Step 2: Convert to fraction form
    188,655.18/282,885.39 = 55,518.15/x
  3. Step 3: Cross multiply
    188,655.18x = 282,885.39 × 55,518.15
  4. Step 4: Simplify right side
    188,655.18x = 15,705,273,514.83
  5. Step 5: Solve for x
    x = 15,705,273,514.83/188,655.18
  6. Step 6: Final answer
    x = 83,248.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.