Home / 127,466.20-175,880.28-72,275.68

Finding the Fourth Proportional to 127,466.20, 175,880.28 and 72,275.68

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Solution

The fourth proportional to 127,466.20, 175,880.28 and 72,275.68 is: 99,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,466.20 : 175,880.28 = 72,275.68 : x
  2. Step 2: Convert to fraction form
    127,466.20/175,880.28 = 72,275.68/x
  3. Step 3: Cross multiply
    127,466.20x = 175,880.28 × 72,275.68
  4. Step 4: Simplify right side
    127,466.20x = 12,711,866,835.59
  5. Step 5: Solve for x
    x = 12,711,866,835.59/127,466.20
  6. Step 6: Final answer
    x = 99,727.35

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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.