Home / 127,470.15-175,908.96-70,880.31

Finding the Fourth Proportional to 127,470.15, 175,908.96 and 70,880.31

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Solution

The fourth proportional to 127,470.15, 175,908.96 and 70,880.31 is: 97,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,470.15 : 175,908.96 = 70,880.31 : x
  2. Step 2: Convert to fraction form
    127,470.15/175,908.96 = 70,880.31/x
  3. Step 3: Cross multiply
    127,470.15x = 175,908.96 × 70,880.31
  4. Step 4: Simplify right side
    127,470.15x = 12,468,481,879.15
  5. Step 5: Solve for x
    x = 12,468,481,879.15/127,470.15
  6. Step 6: Final answer
    x = 97,814.91

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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.