Home / 189,124.92-261,099.18-125,549.64

Finding the Fourth Proportional to 189,124.92, 261,099.18 and 125,549.64

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Solution

The fourth proportional to 189,124.92, 261,099.18 and 125,549.64 is: 173,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,124.92 : 261,099.18 = 125,549.64 : x
  2. Step 2: Convert to fraction form
    189,124.92/261,099.18 = 125,549.64/x
  3. Step 3: Cross multiply
    189,124.92x = 261,099.18 × 125,549.64
  4. Step 4: Simplify right side
    189,124.92x = 32,780,908,053.30
  5. Step 5: Solve for x
    x = 32,780,908,053.30/189,124.92
  6. Step 6: Final answer
    x = 173,329.40

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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.