Home / 127,778.81-176,330.61-73,339.93

Finding the Fourth Proportional to 127,778.81, 176,330.61 and 73,339.93

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Solution

The fourth proportional to 127,778.81, 176,330.61 and 73,339.93 is: 101,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,778.81 : 176,330.61 = 73,339.93 : x
  2. Step 2: Convert to fraction form
    127,778.81/176,330.61 = 73,339.93/x
  3. Step 3: Cross multiply
    127,778.81x = 176,330.61 × 73,339.93
  4. Step 4: Simplify right side
    127,778.81x = 12,932,074,814.67
  5. Step 5: Solve for x
    x = 12,932,074,814.67/127,778.81
  6. Step 6: Final answer
    x = 101,206.73

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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.