Home / 196,153.20-293,999.40-90,749.52

Finding the Fourth Proportional to 196,153.20, 293,999.40 and 90,749.52

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Solution

The fourth proportional to 196,153.20, 293,999.40 and 90,749.52 is: 136,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,153.20 : 293,999.40 = 90,749.52 : x
  2. Step 2: Convert to fraction form
    196,153.20/293,999.40 = 90,749.52/x
  3. Step 3: Cross multiply
    196,153.20x = 293,999.40 × 90,749.52
  4. Step 4: Simplify right side
    196,153.20x = 26,680,304,430.29
  5. Step 5: Solve for x
    x = 26,680,304,430.29/196,153.20
  6. Step 6: Final answer
    x = 136,017.69

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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.