Home / 117,008.20-175,512.30-38,130.40

Finding the Fourth Proportional to 117,008.20, 175,512.30 and 38,130.40

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Solution

The fourth proportional to 117,008.20, 175,512.30 and 38,130.40 is: 57,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.20 : 175,512.30 = 38,130.40 : x
  2. Step 2: Convert to fraction form
    117,008.20/175,512.30 = 38,130.40/x
  3. Step 3: Cross multiply
    117,008.20x = 175,512.30 × 38,130.40
  4. Step 4: Simplify right side
    117,008.20x = 6,692,354,203.92
  5. Step 5: Solve for x
    x = 6,692,354,203.92/117,008.20
  6. Step 6: Final answer
    x = 57,195.60

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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.