Home / 158,147.52-218,237.20-94,520.40

Finding the Fourth Proportional to 158,147.52, 218,237.20 and 94,520.40

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Solution

The fourth proportional to 158,147.52, 218,237.20 and 94,520.40 is: 130,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,147.52 : 218,237.20 = 94,520.40 : x
  2. Step 2: Convert to fraction form
    158,147.52/218,237.20 = 94,520.40/x
  3. Step 3: Cross multiply
    158,147.52x = 218,237.20 × 94,520.40
  4. Step 4: Simplify right side
    158,147.52x = 20,627,867,438.88
  5. Step 5: Solve for x
    x = 20,627,867,438.88/158,147.52
  6. Step 6: Final answer
    x = 130,434.34

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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.