Home / 189,428.59-261,445.35-112,952.62

Finding the Fourth Proportional to 189,428.59, 261,445.35 and 112,952.62

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Solution

The fourth proportional to 189,428.59, 261,445.35 and 112,952.62 is: 155,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,428.59 : 261,445.35 = 112,952.62 : x
  2. Step 2: Convert to fraction form
    189,428.59/261,445.35 = 112,952.62/x
  3. Step 3: Cross multiply
    189,428.59x = 261,445.35 × 112,952.62
  4. Step 4: Simplify right side
    189,428.59x = 29,530,937,269.32
  5. Step 5: Solve for x
    x = 29,530,937,269.32/189,428.59
  6. Step 6: Final answer
    x = 155,894.83

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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.