Home / 127,970.57-176,598.18-70,610.42

Finding the Fourth Proportional to 127,970.57, 176,598.18 and 70,610.42

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Solution

The fourth proportional to 127,970.57, 176,598.18 and 70,610.42 is: 97,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,970.57 : 176,598.18 = 70,610.42 : x
  2. Step 2: Convert to fraction form
    127,970.57/176,598.18 = 70,610.42/x
  3. Step 3: Cross multiply
    127,970.57x = 176,598.18 × 70,610.42
  4. Step 4: Simplify right side
    127,970.57x = 12,469,670,778.04
  5. Step 5: Solve for x
    x = 12,469,670,778.04/127,970.57
  6. Step 6: Final answer
    x = 97,441.71

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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.