Home / 127,949.71-176,569.61-70,591.45

Finding the Fourth Proportional to 127,949.71, 176,569.61 and 70,591.45

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Solution

The fourth proportional to 127,949.71, 176,569.61 and 70,591.45 is: 97,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.71 : 176,569.61 = 70,591.45 : x
  2. Step 2: Convert to fraction form
    127,949.71/176,569.61 = 70,591.45/x
  3. Step 3: Cross multiply
    127,949.71x = 176,569.61 × 70,591.45
  4. Step 4: Simplify right side
    127,949.71x = 12,464,304,310.23
  5. Step 5: Solve for x
    x = 12,464,304,310.23/127,949.71
  6. Step 6: Final answer
    x = 97,415.65

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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.