Home / 280,257.77-386,752.12-152,925.17

Finding the Fourth Proportional to 280,257.77, 386,752.12 and 152,925.17

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Solution

The fourth proportional to 280,257.77, 386,752.12 and 152,925.17 is: 211,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,257.77 : 386,752.12 = 152,925.17 : x
  2. Step 2: Convert to fraction form
    280,257.77/386,752.12 = 152,925.17/x
  3. Step 3: Cross multiply
    280,257.77x = 386,752.12 × 152,925.17
  4. Step 4: Simplify right side
    280,257.77x = 59,144,131,382.79
  5. Step 5: Solve for x
    x = 59,144,131,382.79/280,257.77
  6. Step 6: Final answer
    x = 211,034.76

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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.