Home / 207,325.70-311,316.60-157,462.10

Finding the Fourth Proportional to 207,325.70, 311,316.60 and 157,462.10

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Solution

The fourth proportional to 207,325.70, 311,316.60 and 157,462.10 is: 236,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,325.70 : 311,316.60 = 157,462.10 : x
  2. Step 2: Convert to fraction form
    207,325.70/311,316.60 = 157,462.10/x
  3. Step 3: Cross multiply
    207,325.70x = 311,316.60 × 157,462.10
  4. Step 4: Simplify right side
    207,325.70x = 49,020,565,600.86
  5. Step 5: Solve for x
    x = 49,020,565,600.86/207,325.70
  6. Step 6: Final answer
    x = 236,442.30

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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.