Home / 228,840.24-342,542.28-157,345.68

Finding the Fourth Proportional to 228,840.24, 342,542.28 and 157,345.68

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Solution

The fourth proportional to 228,840.24, 342,542.28 and 157,345.68 is: 235,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,840.24 : 342,542.28 = 157,345.68 : x
  2. Step 2: Convert to fraction form
    228,840.24/342,542.28 = 157,345.68/x
  3. Step 3: Cross multiply
    228,840.24x = 342,542.28 × 157,345.68
  4. Step 4: Simplify right side
    228,840.24x = 53,897,547,975.35
  5. Step 5: Solve for x
    x = 53,897,547,975.35/228,840.24
  6. Step 6: Final answer
    x = 235,524.78

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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.