Home / 126,341.49-189,347.85-51,374.22

Finding the Fourth Proportional to 126,341.49, 189,347.85 and 51,374.22

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Solution

The fourth proportional to 126,341.49, 189,347.85 and 51,374.22 is: 76,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,341.49 : 189,347.85 = 51,374.22 : x
  2. Step 2: Convert to fraction form
    126,341.49/189,347.85 = 51,374.22/x
  3. Step 3: Cross multiply
    126,341.49x = 189,347.85 × 51,374.22
  4. Step 4: Simplify right side
    126,341.49x = 9,727,598,102.43
  5. Step 5: Solve for x
    x = 9,727,598,102.43/126,341.49
  6. Step 6: Final answer
    x = 76,994.49

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1.5x scale

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.