Home / 176,091.52-242,947.20-100,586.56

Finding the Fourth Proportional to 176,091.52, 242,947.20 and 100,586.56

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Solution

The fourth proportional to 176,091.52, 242,947.20 and 100,586.56 is: 138,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,091.52 : 242,947.20 = 100,586.56 : x
  2. Step 2: Convert to fraction form
    176,091.52/242,947.20 = 100,586.56/x
  3. Step 3: Cross multiply
    176,091.52x = 242,947.20 × 100,586.56
  4. Step 4: Simplify right side
    176,091.52x = 24,437,223,109.63
  5. Step 5: Solve for x
    x = 24,437,223,109.63/176,091.52
  6. Step 6: Final answer
    x = 138,775.70

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1.5x scale

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.