Home / 126,501.89-189,781.45-37,752.08

Finding the Fourth Proportional to 126,501.89, 189,781.45 and 37,752.08

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Solution

The fourth proportional to 126,501.89, 189,781.45 and 37,752.08 is: 56,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501.89 : 189,781.45 = 37,752.08 : x
  2. Step 2: Convert to fraction form
    126,501.89/189,781.45 = 37,752.08/x
  3. Step 3: Cross multiply
    126,501.89x = 189,781.45 × 37,752.08
  4. Step 4: Simplify right side
    126,501.89x = 7,164,643,439.63
  5. Step 5: Solve for x
    x = 7,164,643,439.63/126,501.89
  6. Step 6: Final answer
    x = 56,636.65

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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.