Home / 127,489.68-175,933.26-70,899.84

Finding the Fourth Proportional to 127,489.68, 175,933.26 and 70,899.84

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Solution

The fourth proportional to 127,489.68, 175,933.26 and 70,899.84 is: 97,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489.68 : 175,933.26 = 70,899.84 : x
  2. Step 2: Convert to fraction form
    127,489.68/175,933.26 = 70,899.84/x
  3. Step 3: Cross multiply
    127,489.68x = 175,933.26 × 70,899.84
  4. Step 4: Simplify right side
    127,489.68x = 12,473,639,984.68
  5. Step 5: Solve for x
    x = 12,473,639,984.68/127,489.68
  6. Step 6: Final answer
    x = 97,840.39

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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.