Home / 127,716.79-176,242.24-70,344.94

Finding the Fourth Proportional to 127,716.79, 176,242.24 and 70,344.94

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Solution

The fourth proportional to 127,716.79, 176,242.24 and 70,344.94 is: 97,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716.79 : 176,242.24 = 70,344.94 : x
  2. Step 2: Convert to fraction form
    127,716.79/176,242.24 = 70,344.94/x
  3. Step 3: Cross multiply
    127,716.79x = 176,242.24 × 70,344.94
  4. Step 4: Simplify right side
    127,716.79x = 12,397,749,798.27
  5. Step 5: Solve for x
    x = 12,397,749,798.27/127,716.79
  6. Step 6: Final answer
    x = 97,072.20

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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.