Home / 126,088.65-189,096.08-103,846.86

Finding the Fourth Proportional to 126,088.65, 189,096.08 and 103,846.86

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Solution

The fourth proportional to 126,088.65, 189,096.08 and 103,846.86 is: 155,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.65 : 189,096.08 = 103,846.86 : x
  2. Step 2: Convert to fraction form
    126,088.65/189,096.08 = 103,846.86/x
  3. Step 3: Cross multiply
    126,088.65x = 189,096.08 × 103,846.86
  4. Step 4: Simplify right side
    126,088.65x = 19,637,034,336.18
  5. Step 5: Solve for x
    x = 19,637,034,336.18/126,088.65
  6. Step 6: Final answer
    x = 155,739.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.