Home / 116,749.80-175,254.30-72,426.60

Finding the Fourth Proportional to 116,749.80, 175,254.30 and 72,426.60

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Solution

The fourth proportional to 116,749.80, 175,254.30 and 72,426.60 is: 108,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,749.80 : 175,254.30 = 72,426.60 : x
  2. Step 2: Convert to fraction form
    116,749.80/175,254.30 = 72,426.60/x
  3. Step 3: Cross multiply
    116,749.80x = 175,254.30 × 72,426.60
  4. Step 4: Simplify right side
    116,749.80x = 12,693,073,084.38
  5. Step 5: Solve for x
    x = 12,693,073,084.38/116,749.80
  6. Step 6: Final answer
    x = 108,720.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.