Home / 154,394.10-231,657.38-59,690.80

Finding the Fourth Proportional to 154,394.10, 231,657.38 and 59,690.80

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Solution

The fourth proportional to 154,394.10, 231,657.38 and 59,690.80 is: 89,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,394.10 : 231,657.38 = 59,690.80 : x
  2. Step 2: Convert to fraction form
    154,394.10/231,657.38 = 59,690.80/x
  3. Step 3: Cross multiply
    154,394.10x = 231,657.38 × 59,690.80
  4. Step 4: Simplify right side
    154,394.10x = 13,827,814,338.10
  5. Step 5: Solve for x
    x = 13,827,814,338.10/154,394.10
  6. Step 6: Final answer
    x = 89,561.81

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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.