Home / 127,470.06-175,906.47-70,880.22

Finding the Fourth Proportional to 127,470.06, 175,906.47 and 70,880.22

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Solution

The fourth proportional to 127,470.06, 175,906.47 and 70,880.22 is: 97,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,470.06 : 175,906.47 = 70,880.22 : x
  2. Step 2: Convert to fraction form
    127,470.06/175,906.47 = 70,880.22/x
  3. Step 3: Cross multiply
    127,470.06x = 175,906.47 × 70,880.22
  4. Step 4: Simplify right side
    127,470.06x = 12,468,289,293.02
  5. Step 5: Solve for x
    x = 12,468,289,293.02/127,470.06
  6. Step 6: Final answer
    x = 97,813.47

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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.