Home / 175,128.04-262,772.70-75,318.76

Finding the Fourth Proportional to 175,128.04, 262,772.70 and 75,318.76

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Solution

The fourth proportional to 175,128.04, 262,772.70 and 75,318.76 is: 113,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,128.04 : 262,772.70 = 75,318.76 : x
  2. Step 2: Convert to fraction form
    175,128.04/262,772.70 = 75,318.76/x
  3. Step 3: Cross multiply
    175,128.04x = 262,772.70 × 75,318.76
  4. Step 4: Simplify right side
    175,128.04x = 19,791,713,925.85
  5. Step 5: Solve for x
    x = 19,791,713,925.85/175,128.04
  6. Step 6: Final answer
    x = 113,012.82

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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.