Home / 129,322.17-194,030.64-54,461.16

Finding the Fourth Proportional to 129,322.17, 194,030.64 and 54,461.16

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Solution

The fourth proportional to 129,322.17, 194,030.64 and 54,461.16 is: 81,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,322.17 : 194,030.64 = 54,461.16 : x
  2. Step 2: Convert to fraction form
    129,322.17/194,030.64 = 54,461.16/x
  3. Step 3: Cross multiply
    129,322.17x = 194,030.64 × 54,461.16
  4. Step 4: Simplify right side
    129,322.17x = 10,567,133,729.94
  5. Step 5: Solve for x
    x = 10,567,133,729.94/129,322.17
  6. Step 6: Final answer
    x = 81,711.70

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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.