Home / 112,270.86-154,922.76-61,966.62

Finding the Fourth Proportional to 112,270.86, 154,922.76 and 61,966.62

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Solution

The fourth proportional to 112,270.86, 154,922.76 and 61,966.62 is: 85,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,270.86 : 154,922.76 = 61,966.62 : x
  2. Step 2: Convert to fraction form
    112,270.86/154,922.76 = 61,966.62/x
  3. Step 3: Cross multiply
    112,270.86x = 154,922.76 × 61,966.62
  4. Step 4: Simplify right side
    112,270.86x = 9,600,039,798.27
  5. Step 5: Solve for x
    x = 9,600,039,798.27/112,270.86
  6. Step 6: Final answer
    x = 85,507.85

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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.