Home / 280,184.86-386,665.95-159,337.18

Finding the Fourth Proportional to 280,184.86, 386,665.95 and 159,337.18

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Solution

The fourth proportional to 280,184.86, 386,665.95 and 159,337.18 is: 219,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,184.86 : 386,665.95 = 159,337.18 : x
  2. Step 2: Convert to fraction form
    280,184.86/386,665.95 = 159,337.18/x
  3. Step 3: Cross multiply
    280,184.86x = 386,665.95 × 159,337.18
  4. Step 4: Simplify right side
    280,184.86x = 61,610,262,075.02
  5. Step 5: Solve for x
    x = 61,610,262,075.02/280,184.86
  6. Step 6: Final answer
    x = 219,891.47

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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.