Home / 225,269.48-310,783.32-144,685.76

Finding the Fourth Proportional to 225,269.48, 310,783.32 and 144,685.76

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Solution

The fourth proportional to 225,269.48, 310,783.32 and 144,685.76 is: 199,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,269.48 : 310,783.32 = 144,685.76 : x
  2. Step 2: Convert to fraction form
    225,269.48/310,783.32 = 144,685.76/x
  3. Step 3: Cross multiply
    225,269.48x = 310,783.32 × 144,685.76
  4. Step 4: Simplify right side
    225,269.48x = 44,965,920,849.52
  5. Step 5: Solve for x
    x = 44,965,920,849.52/225,269.48
  6. Step 6: Final answer
    x = 199,609.47

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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.