Home / 129,263.04-193,789.95-58,133.58

Finding the Fourth Proportional to 129,263.04, 193,789.95 and 58,133.58

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Solution

The fourth proportional to 129,263.04, 193,789.95 and 58,133.58 is: 87,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,263.04 : 193,789.95 = 58,133.58 : x
  2. Step 2: Convert to fraction form
    129,263.04/193,789.95 = 58,133.58/x
  3. Step 3: Cross multiply
    129,263.04x = 193,789.95 × 58,133.58
  4. Step 4: Simplify right side
    129,263.04x = 11,265,703,561.52
  5. Step 5: Solve for x
    x = 11,265,703,561.52/129,263.04
  6. Step 6: Final answer
    x = 87,153.32

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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.