Home / 176,011.20-242,737.92-138,219.84

Finding the Fourth Proportional to 176,011.20, 242,737.92 and 138,219.84

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Solution

The fourth proportional to 176,011.20, 242,737.92 and 138,219.84 is: 190,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,011.20 : 242,737.92 = 138,219.84 : x
  2. Step 2: Convert to fraction form
    176,011.20/242,737.92 = 138,219.84/x
  3. Step 3: Cross multiply
    176,011.20x = 242,737.92 × 138,219.84
  4. Step 4: Simplify right side
    176,011.20x = 33,551,196,464.33
  5. Step 5: Solve for x
    x = 33,551,196,464.33/176,011.20
  6. Step 6: Final answer
    x = 190,619.67

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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.