Home / 127,814.81-176,356.01-73,363.65

Finding the Fourth Proportional to 127,814.81, 176,356.01 and 73,363.65

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Solution

The fourth proportional to 127,814.81, 176,356.01 and 73,363.65 is: 101,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.81 : 176,356.01 = 73,363.65 : x
  2. Step 2: Convert to fraction form
    127,814.81/176,356.01 = 73,363.65/x
  3. Step 3: Cross multiply
    127,814.81x = 176,356.01 × 73,363.65
  4. Step 4: Simplify right side
    127,814.81x = 12,938,120,226.22
  5. Step 5: Solve for x
    x = 12,938,120,226.22/127,814.81
  6. Step 6: Final answer
    x = 101,225.52

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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.