Home / 127,687.24-176,206.73-70,325.47

Finding the Fourth Proportional to 127,687.24, 176,206.73 and 70,325.47

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Solution

The fourth proportional to 127,687.24, 176,206.73 and 70,325.47 is: 97,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,687.24 : 176,206.73 = 70,325.47 : x
  2. Step 2: Convert to fraction form
    127,687.24/176,206.73 = 70,325.47/x
  3. Step 3: Cross multiply
    127,687.24x = 176,206.73 × 70,325.47
  4. Step 4: Simplify right side
    127,687.24x = 12,391,820,752.79
  5. Step 5: Solve for x
    x = 12,391,820,752.79/127,687.24
  6. Step 6: Final answer
    x = 97,048.23

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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.