Home / 150,670.12-208,002.18-106,156.84

Finding the Fourth Proportional to 150,670.12, 208,002.18 and 106,156.84

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Solution

The fourth proportional to 150,670.12, 208,002.18 and 106,156.84 is: 146,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,670.12 : 208,002.18 = 106,156.84 : x
  2. Step 2: Convert to fraction form
    150,670.12/208,002.18 = 106,156.84/x
  3. Step 3: Cross multiply
    150,670.12x = 208,002.18 × 106,156.84
  4. Step 4: Simplify right side
    150,670.12x = 22,080,854,141.91
  5. Step 5: Solve for x
    x = 22,080,854,141.91/150,670.12
  6. Step 6: Final answer
    x = 146,550.98

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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.