Home / 129,831.10-194,726.40-41,106.40

Finding the Fourth Proportional to 129,831.10, 194,726.40 and 41,106.40

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Solution

The fourth proportional to 129,831.10, 194,726.40 and 41,106.40 is: 61,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,831.10 : 194,726.40 = 41,106.40 : x
  2. Step 2: Convert to fraction form
    129,831.10/194,726.40 = 41,106.40/x
  3. Step 3: Cross multiply
    129,831.10x = 194,726.40 × 41,106.40
  4. Step 4: Simplify right side
    129,831.10x = 8,004,501,288.96
  5. Step 5: Solve for x
    x = 8,004,501,288.96/129,831.10
  6. Step 6: Final answer
    x = 61,653.19

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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.