Home / 126,564.10-189,848.40-37,818.70

Finding the Fourth Proportional to 126,564.10, 189,848.40 and 37,818.70

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Solution

The fourth proportional to 126,564.10, 189,848.40 and 37,818.70 is: 56,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,564.10 : 189,848.40 = 37,818.70 : x
  2. Step 2: Convert to fraction form
    126,564.10/189,848.40 = 37,818.70/x
  3. Step 3: Cross multiply
    126,564.10x = 189,848.40 × 37,818.70
  4. Step 4: Simplify right side
    126,564.10x = 7,179,819,685.08
  5. Step 5: Solve for x
    x = 7,179,819,685.08/126,564.10
  6. Step 6: Final answer
    x = 56,728.72

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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.