Home / 266,856.32-368,306.88-153,658.24

Finding the Fourth Proportional to 266,856.32, 368,306.88 and 153,658.24

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Solution

The fourth proportional to 266,856.32, 368,306.88 and 153,658.24 is: 212,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,856.32 : 368,306.88 = 153,658.24 : x
  2. Step 2: Convert to fraction form
    266,856.32/368,306.88 = 153,658.24/x
  3. Step 3: Cross multiply
    266,856.32x = 368,306.88 × 153,658.24
  4. Step 4: Simplify right side
    266,856.32x = 56,593,386,960.69
  5. Step 5: Solve for x
    x = 56,593,386,960.69/266,856.32
  6. Step 6: Final answer
    x = 212,074.37

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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.