Home / 126,884.81-175,101.08-75,899.69

Finding the Fourth Proportional to 126,884.81, 175,101.08 and 75,899.69

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Solution

The fourth proportional to 126,884.81, 175,101.08 and 75,899.69 is: 104,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,884.81 : 175,101.08 = 75,899.69 : x
  2. Step 2: Convert to fraction form
    126,884.81/175,101.08 = 75,899.69/x
  3. Step 3: Cross multiply
    126,884.81x = 175,101.08 × 75,899.69
  4. Step 4: Simplify right side
    126,884.81x = 13,290,118,225.17
  5. Step 5: Solve for x
    x = 13,290,118,225.17/126,884.81
  6. Step 6: Final answer
    x = 104,741.60

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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.