Home / 126,805.59-174,991.86-70,215.75

Finding the Fourth Proportional to 126,805.59, 174,991.86 and 70,215.75

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Solution

The fourth proportional to 126,805.59, 174,991.86 and 70,215.75 is: 96,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,805.59 : 174,991.86 = 70,215.75 : x
  2. Step 2: Convert to fraction form
    126,805.59/174,991.86 = 70,215.75/x
  3. Step 3: Cross multiply
    126,805.59x = 174,991.86 × 70,215.75
  4. Step 4: Simplify right side
    126,805.59x = 12,287,184,693.80
  5. Step 5: Solve for x
    x = 12,287,184,693.80/126,805.59
  6. Step 6: Final answer
    x = 96,897.82

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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.