Home / 127,517.19-175,973.73-70,155.28

Finding the Fourth Proportional to 127,517.19, 175,973.73 and 70,155.28

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Solution

The fourth proportional to 127,517.19, 175,973.73 and 70,155.28 is: 96,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.19 : 175,973.73 = 70,155.28 : x
  2. Step 2: Convert to fraction form
    127,517.19/175,973.73 = 70,155.28/x
  3. Step 3: Cross multiply
    127,517.19x = 175,973.73 × 70,155.28
  4. Step 4: Simplify right side
    127,517.19x = 12,345,486,652.30
  5. Step 5: Solve for x
    x = 12,345,486,652.30/127,517.19
  6. Step 6: Final answer
    x = 96,814.30

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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.