Home / 127,020.81-175,276.05-73,323.12

Finding the Fourth Proportional to 127,020.81, 175,276.05 and 73,323.12

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Solution

The fourth proportional to 127,020.81, 175,276.05 and 73,323.12 is: 101,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,020.81 : 175,276.05 = 73,323.12 : x
  2. Step 2: Convert to fraction form
    127,020.81/175,276.05 = 73,323.12/x
  3. Step 3: Cross multiply
    127,020.81x = 175,276.05 × 73,323.12
  4. Step 4: Simplify right side
    127,020.81x = 12,851,787,642.04
  5. Step 5: Solve for x
    x = 12,851,787,642.04/127,020.81
  6. Step 6: Final answer
    x = 101,178.60

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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.