Home / 112,231-154,882.02-61,933.24

Finding the Fourth Proportional to 112,231, 154,882.02 and 61,933.24

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Solution

The fourth proportional to 112,231, 154,882.02 and 61,933.24 is: 85,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,231 : 154,882.02 = 61,933.24 : x
  2. Step 2: Convert to fraction form
    112,231/154,882.02 = 61,933.24/x
  3. Step 3: Cross multiply
    112,231x = 154,882.02 × 61,933.24
  4. Step 4: Simplify right side
    112,231x = 9,592,345,316.34
  5. Step 5: Solve for x
    x = 9,592,345,316.34/112,231
  6. Step 6: Final answer
    x = 85,469.66

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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.