Home / 127,966.61-192,067.72-64,830.65

Finding the Fourth Proportional to 127,966.61, 192,067.72 and 64,830.65

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Solution

The fourth proportional to 127,966.61, 192,067.72 and 64,830.65 is: 97,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.61 : 192,067.72 = 64,830.65 : x
  2. Step 2: Convert to fraction form
    127,966.61/192,067.72 = 64,830.65/x
  3. Step 3: Cross multiply
    127,966.61x = 192,067.72 × 64,830.65
  4. Step 4: Simplify right side
    127,966.61x = 12,451,875,449.71
  5. Step 5: Solve for x
    x = 12,451,875,449.71/127,966.61
  6. Step 6: Final answer
    x = 97,305.66

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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.