Home / 127,668.23-176,213.18-73,944.57

Finding the Fourth Proportional to 127,668.23, 176,213.18 and 73,944.57

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Solution

The fourth proportional to 127,668.23, 176,213.18 and 73,944.57 is: 102,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,668.23 : 176,213.18 = 73,944.57 : x
  2. Step 2: Convert to fraction form
    127,668.23/176,213.18 = 73,944.57/x
  3. Step 3: Cross multiply
    127,668.23x = 176,213.18 × 73,944.57
  4. Step 4: Simplify right side
    127,668.23x = 13,030,007,453.71
  5. Step 5: Solve for x
    x = 13,030,007,453.71/127,668.23
  6. Step 6: Final answer
    x = 102,061.48

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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.