Home / 154,060.96-231,013.68-75,056.80

Finding the Fourth Proportional to 154,060.96, 231,013.68 and 75,056.80

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Solution

The fourth proportional to 154,060.96, 231,013.68 and 75,056.80 is: 112,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,060.96 : 231,013.68 = 75,056.80 : x
  2. Step 2: Convert to fraction form
    154,060.96/231,013.68 = 75,056.80/x
  3. Step 3: Cross multiply
    154,060.96x = 231,013.68 × 75,056.80
  4. Step 4: Simplify right side
    154,060.96x = 17,339,147,577.02
  5. Step 5: Solve for x
    x = 17,339,147,577.02/154,060.96
  6. Step 6: Final answer
    x = 112,547.32

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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.