Home / 129,935.13-194,980.45-56,063.13

Finding the Fourth Proportional to 129,935.13, 194,980.45 and 56,063.13

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Solution

The fourth proportional to 129,935.13, 194,980.45 and 56,063.13 is: 84,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,935.13 : 194,980.45 = 56,063.13 : x
  2. Step 2: Convert to fraction form
    129,935.13/194,980.45 = 56,063.13/x
  3. Step 3: Cross multiply
    129,935.13x = 194,980.45 × 56,063.13
  4. Step 4: Simplify right side
    129,935.13x = 10,931,214,315.81
  5. Step 5: Solve for x
    x = 10,931,214,315.81/129,935.13
  6. Step 6: Final answer
    x = 84,128.24

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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.