Home / 128,823.10-193,247.90-44,583.11

Finding the Fourth Proportional to 128,823.10, 193,247.90 and 44,583.11

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Solution

The fourth proportional to 128,823.10, 193,247.90 and 44,583.11 is: 66,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,823.10 : 193,247.90 = 44,583.11 : x
  2. Step 2: Convert to fraction form
    128,823.10/193,247.90 = 44,583.11/x
  3. Step 3: Cross multiply
    128,823.10x = 193,247.90 × 44,583.11
  4. Step 4: Simplify right side
    128,823.10x = 8,615,592,085.68
  5. Step 5: Solve for x
    x = 8,615,592,085.68/128,823.10
  6. Step 6: Final answer
    x = 66,879.25

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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.