Home / 189,304.26-261,244.81-103,264.69

Finding the Fourth Proportional to 189,304.26, 261,244.81 and 103,264.69

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Solution

The fourth proportional to 189,304.26, 261,244.81 and 103,264.69 is: 142,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,304.26 : 261,244.81 = 103,264.69 : x
  2. Step 2: Convert to fraction form
    189,304.26/261,244.81 = 103,264.69/x
  3. Step 3: Cross multiply
    189,304.26x = 261,244.81 × 103,264.69
  4. Step 4: Simplify right side
    189,304.26x = 26,977,364,318.76
  5. Step 5: Solve for x
    x = 26,977,364,318.76/189,304.26
  6. Step 6: Final answer
    x = 142,507.96

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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.