Home / 154,143.15-231,074.61-59,312.84

Finding the Fourth Proportional to 154,143.15, 231,074.61 and 59,312.84

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Solution

The fourth proportional to 154,143.15, 231,074.61 and 59,312.84 is: 88,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,143.15 : 231,074.61 = 59,312.84 : x
  2. Step 2: Convert to fraction form
    154,143.15/231,074.61 = 59,312.84/x
  3. Step 3: Cross multiply
    154,143.15x = 231,074.61 × 59,312.84
  4. Step 4: Simplify right side
    154,143.15x = 13,705,689,993.20
  5. Step 5: Solve for x
    x = 13,705,689,993.20/154,143.15
  6. Step 6: Final answer
    x = 88,915.34

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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.