Home / 194,778.40-292,081.20-89,543.20

Finding the Fourth Proportional to 194,778.40, 292,081.20 and 89,543.20

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Solution

The fourth proportional to 194,778.40, 292,081.20 and 89,543.20 is: 134,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,778.40 : 292,081.20 = 89,543.20 : x
  2. Step 2: Convert to fraction form
    194,778.40/292,081.20 = 89,543.20/x
  3. Step 3: Cross multiply
    194,778.40x = 292,081.20 × 89,543.20
  4. Step 4: Simplify right side
    194,778.40x = 26,153,885,307.84
  5. Step 5: Solve for x
    x = 26,153,885,307.84/194,778.40
  6. Step 6: Final answer
    x = 134,275.08

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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.