Home / 194,985.20-292,283.40-89,620.40

Finding the Fourth Proportional to 194,985.20, 292,283.40 and 89,620.40

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Solution

The fourth proportional to 194,985.20, 292,283.40 and 89,620.40 is: 134,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,985.20 : 292,283.40 = 89,620.40 : x
  2. Step 2: Convert to fraction form
    194,985.20/292,283.40 = 89,620.40/x
  3. Step 3: Cross multiply
    194,985.20x = 292,283.40 × 89,620.40
  4. Step 4: Simplify right side
    194,985.20x = 26,194,555,221.36
  5. Step 5: Solve for x
    x = 26,194,555,221.36/194,985.20
  6. Step 6: Final answer
    x = 134,341.25

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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.