Home / 189,499.32-261,392.04-112,966.92

Finding the Fourth Proportional to 189,499.32, 261,392.04 and 112,966.92

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Solution

The fourth proportional to 189,499.32, 261,392.04 and 112,966.92 is: 155,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,499.32 : 261,392.04 = 112,966.92 : x
  2. Step 2: Convert to fraction form
    189,499.32/261,392.04 = 112,966.92/x
  3. Step 3: Cross multiply
    189,499.32x = 261,392.04 × 112,966.92
  4. Step 4: Simplify right side
    189,499.32x = 29,528,653,671.32
  5. Step 5: Solve for x
    x = 29,528,653,671.32/189,499.32
  6. Step 6: Final answer
    x = 155,824.59

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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.