Home / 216,540.30-324,810.45-157,097.10

Finding the Fourth Proportional to 216,540.30, 324,810.45 and 157,097.10

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Solution

The fourth proportional to 216,540.30, 324,810.45 and 157,097.10 is: 235,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,540.30 : 324,810.45 = 157,097.10 : x
  2. Step 2: Convert to fraction form
    216,540.30/324,810.45 = 157,097.10/x
  3. Step 3: Cross multiply
    216,540.30x = 324,810.45 × 157,097.10
  4. Step 4: Simplify right side
    216,540.30x = 51,026,779,744.70
  5. Step 5: Solve for x
    x = 51,026,779,744.70/216,540.30
  6. Step 6: Final answer
    x = 235,645.65

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1.5x scale

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.