Home / 155,234.48-232,967.64-115,345.76

Finding the Fourth Proportional to 155,234.48, 232,967.64 and 115,345.76

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Solution

The fourth proportional to 155,234.48, 232,967.64 and 115,345.76 is: 173,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,234.48 : 232,967.64 = 115,345.76 : x
  2. Step 2: Convert to fraction form
    155,234.48/232,967.64 = 115,345.76/x
  3. Step 3: Cross multiply
    155,234.48x = 232,967.64 × 115,345.76
  4. Step 4: Simplify right side
    155,234.48x = 26,871,829,491.21
  5. Step 5: Solve for x
    x = 26,871,829,491.21/155,234.48
  6. Step 6: Final answer
    x = 173,104.77

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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.