Home / 194,556.60-291,608.10-89,386.20

Finding the Fourth Proportional to 194,556.60, 291,608.10 and 89,386.20

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Solution

The fourth proportional to 194,556.60, 291,608.10 and 89,386.20 is: 133,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,556.60 : 291,608.10 = 89,386.20 : x
  2. Step 2: Convert to fraction form
    194,556.60/291,608.10 = 89,386.20/x
  3. Step 3: Cross multiply
    194,556.60x = 291,608.10 × 89,386.20
  4. Step 4: Simplify right side
    194,556.60x = 26,065,739,948.22
  5. Step 5: Solve for x
    x = 26,065,739,948.22/194,556.60
  6. Step 6: Final answer
    x = 133,975.10

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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.