Home / 196,009.20-293,430.60-129,524.40

Finding the Fourth Proportional to 196,009.20, 293,430.60 and 129,524.40

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Solution

The fourth proportional to 196,009.20, 293,430.60 and 129,524.40 is: 193,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,009.20 : 293,430.60 = 129,524.40 : x
  2. Step 2: Convert to fraction form
    196,009.20/293,430.60 = 129,524.40/x
  3. Step 3: Cross multiply
    196,009.20x = 293,430.60 × 129,524.40
  4. Step 4: Simplify right side
    196,009.20x = 38,006,422,406.64
  5. Step 5: Solve for x
    x = 38,006,422,406.64/196,009.20
  6. Step 6: Final answer
    x = 193,901.22

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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.