Home / 127,400.48-175,816.09-70,042.22

Finding the Fourth Proportional to 127,400.48, 175,816.09 and 70,042.22

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Solution

The fourth proportional to 127,400.48, 175,816.09 and 70,042.22 is: 96,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,400.48 : 175,816.09 = 70,042.22 : x
  2. Step 2: Convert to fraction form
    127,400.48/175,816.09 = 70,042.22/x
  3. Step 3: Cross multiply
    127,400.48x = 175,816.09 × 70,042.22
  4. Step 4: Simplify right side
    127,400.48x = 12,314,549,376.62
  5. Step 5: Solve for x
    x = 12,314,549,376.62/127,400.48
  6. Step 6: Final answer
    x = 96,660.15

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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.