Home / 175,790.18-242,633.85-100,382.42

Finding the Fourth Proportional to 175,790.18, 242,633.85 and 100,382.42

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Solution

The fourth proportional to 175,790.18, 242,633.85 and 100,382.42 is: 138,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,790.18 : 242,633.85 = 100,382.42 : x
  2. Step 2: Convert to fraction form
    175,790.18/242,633.85 = 100,382.42/x
  3. Step 3: Cross multiply
    175,790.18x = 242,633.85 × 100,382.42
  4. Step 4: Simplify right side
    175,790.18x = 24,356,173,036.92
  5. Step 5: Solve for x
    x = 24,356,173,036.92/175,790.18
  6. Step 6: Final answer
    x = 138,552.52

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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.