Home / 127,762.26-176,315.18-71,174.85

Finding the Fourth Proportional to 127,762.26, 176,315.18 and 71,174.85

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Solution

The fourth proportional to 127,762.26, 176,315.18 and 71,174.85 is: 98,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,762.26 : 176,315.18 = 71,174.85 : x
  2. Step 2: Convert to fraction form
    127,762.26/176,315.18 = 71,174.85/x
  3. Step 3: Cross multiply
    127,762.26x = 176,315.18 × 71,174.85
  4. Step 4: Simplify right side
    127,762.26x = 12,549,206,133.35
  5. Step 5: Solve for x
    x = 12,549,206,133.35/127,762.26
  6. Step 6: Final answer
    x = 98,223.11

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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.