Home / 127,657.68-176,166.06-70,295.78

Finding the Fourth Proportional to 127,657.68, 176,166.06 and 70,295.78

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Solution

The fourth proportional to 127,657.68, 176,166.06 and 70,295.78 is: 97,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,657.68 : 176,166.06 = 70,295.78 : x
  2. Step 2: Convert to fraction form
    127,657.68/176,166.06 = 70,295.78/x
  3. Step 3: Cross multiply
    127,657.68x = 176,166.06 × 70,295.78
  4. Step 4: Simplify right side
    127,657.68x = 12,383,729,716.40
  5. Step 5: Solve for x
    x = 12,383,729,716.40/127,657.68
  6. Step 6: Final answer
    x = 97,007.32

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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.