Home / 129,577.95-194,397.59-40,831.15

Finding the Fourth Proportional to 129,577.95, 194,397.59 and 40,831.15

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Solution

The fourth proportional to 129,577.95, 194,397.59 and 40,831.15 is: 61,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,577.95 : 194,397.59 = 40,831.15 : x
  2. Step 2: Convert to fraction form
    129,577.95/194,397.59 = 40,831.15/x
  3. Step 3: Cross multiply
    129,577.95x = 194,397.59 × 40,831.15
  4. Step 4: Simplify right side
    129,577.95x = 7,937,477,156.93
  5. Step 5: Solve for x
    x = 7,937,477,156.93/129,577.95
  6. Step 6: Final answer
    x = 61,256.39

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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.