Home / 194,766.40-292,063.20-89,617.60

Finding the Fourth Proportional to 194,766.40, 292,063.20 and 89,617.60

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Solution

The fourth proportional to 194,766.40, 292,063.20 and 89,617.60 is: 134,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,766.40 : 292,063.20 = 89,617.60 : x
  2. Step 2: Convert to fraction form
    194,766.40/292,063.20 = 89,617.60/x
  3. Step 3: Cross multiply
    194,766.40x = 292,063.20 × 89,617.60
  4. Step 4: Simplify right side
    194,766.40x = 26,174,003,032.32
  5. Step 5: Solve for x
    x = 26,174,003,032.32/194,766.40
  6. Step 6: Final answer
    x = 134,386.64

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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.