Home / 196,272.40-294,264.60-77,885.20

Finding the Fourth Proportional to 196,272.40, 294,264.60 and 77,885.20

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Solution

The fourth proportional to 196,272.40, 294,264.60 and 77,885.20 is: 116,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,272.40 : 294,264.60 = 77,885.20 : x
  2. Step 2: Convert to fraction form
    196,272.40/294,264.60 = 77,885.20/x
  3. Step 3: Cross multiply
    196,272.40x = 294,264.60 × 77,885.20
  4. Step 4: Simplify right side
    196,272.40x = 22,918,857,223.92
  5. Step 5: Solve for x
    x = 22,918,857,223.92/196,272.40
  6. Step 6: Final answer
    x = 116,770.66

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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.