Home / 152,670.10-210,463.50-107,209.66

Finding the Fourth Proportional to 152,670.10, 210,463.50 and 107,209.66

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Solution

The fourth proportional to 152,670.10, 210,463.50 and 107,209.66 is: 147,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,670.10 : 210,463.50 = 107,209.66 : x
  2. Step 2: Convert to fraction form
    152,670.10/210,463.50 = 107,209.66/x
  3. Step 3: Cross multiply
    152,670.10x = 210,463.50 × 107,209.66
  4. Step 4: Simplify right side
    152,670.10x = 22,563,720,277.41
  5. Step 5: Solve for x
    x = 22,563,720,277.41/152,670.10
  6. Step 6: Final answer
    x = 147,793.97

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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.