Home / 176,073.85-242,789.35-130,835.76

Finding the Fourth Proportional to 176,073.85, 242,789.35 and 130,835.76

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Solution

The fourth proportional to 176,073.85, 242,789.35 and 130,835.76 is: 180,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,073.85 : 242,789.35 = 130,835.76 : x
  2. Step 2: Convert to fraction form
    176,073.85/242,789.35 = 130,835.76/x
  3. Step 3: Cross multiply
    176,073.85x = 242,789.35 × 130,835.76
  4. Step 4: Simplify right side
    176,073.85x = 31,765,528,134.92
  5. Step 5: Solve for x
    x = 31,765,528,134.92/176,073.85
  6. Step 6: Final answer
    x = 180,410.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.