Home / 154,518.40-231,821.34-59,777.56

Finding the Fourth Proportional to 154,518.40, 231,821.34 and 59,777.56

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Solution

The fourth proportional to 154,518.40, 231,821.34 and 59,777.56 is: 89,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,518.40 : 231,821.34 = 59,777.56 : x
  2. Step 2: Convert to fraction form
    154,518.40/231,821.34 = 59,777.56/x
  3. Step 3: Cross multiply
    154,518.40x = 231,821.34 × 59,777.56
  4. Step 4: Simplify right side
    154,518.40x = 13,857,714,061.13
  5. Step 5: Solve for x
    x = 13,857,714,061.13/154,518.40
  6. Step 6: Final answer
    x = 89,683.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.