Home / 194,938.60-292,181.10-89,768.20

Finding the Fourth Proportional to 194,938.60, 292,181.10 and 89,768.20

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Solution

The fourth proportional to 194,938.60, 292,181.10 and 89,768.20 is: 134,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,938.60 : 292,181.10 = 89,768.20 : x
  2. Step 2: Convert to fraction form
    194,938.60/292,181.10 = 89,768.20/x
  3. Step 3: Cross multiply
    194,938.60x = 292,181.10 × 89,768.20
  4. Step 4: Simplify right side
    194,938.60x = 26,228,571,421.02
  5. Step 5: Solve for x
    x = 26,228,571,421.02/194,938.60
  6. Step 6: Final answer
    x = 134,547.86

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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.