Home / 127,281.94-176,029.66-111,338.70

Finding the Fourth Proportional to 127,281.94, 176,029.66 and 111,338.70

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Solution

The fourth proportional to 127,281.94, 176,029.66 and 111,338.70 is: 153,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281.94 : 176,029.66 = 111,338.70 : x
  2. Step 2: Convert to fraction form
    127,281.94/176,029.66 = 111,338.70/x
  3. Step 3: Cross multiply
    127,281.94x = 176,029.66 × 111,338.70
  4. Step 4: Simplify right side
    127,281.94x = 19,598,913,505.84
  5. Step 5: Solve for x
    x = 19,598,913,505.84/127,281.94
  6. Step 6: Final answer
    x = 153,980.32

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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.