Home / 156,356.84-215,783.24-95,126.92

Finding the Fourth Proportional to 156,356.84, 215,783.24 and 95,126.92

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Solution

The fourth proportional to 156,356.84, 215,783.24 and 95,126.92 is: 131,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,356.84 : 215,783.24 = 95,126.92 : x
  2. Step 2: Convert to fraction form
    156,356.84/215,783.24 = 95,126.92/x
  3. Step 3: Cross multiply
    156,356.84x = 215,783.24 × 95,126.92
  4. Step 4: Simplify right side
    156,356.84x = 20,526,794,533.19
  5. Step 5: Solve for x
    x = 20,526,794,533.19/156,356.84
  6. Step 6: Final answer
    x = 131,281.72

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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.