Home / 205,005.42-282,909.69-114,360.66

Finding the Fourth Proportional to 205,005.42, 282,909.69 and 114,360.66

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Solution

The fourth proportional to 205,005.42, 282,909.69 and 114,360.66 is: 157,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,005.42 : 282,909.69 = 114,360.66 : x
  2. Step 2: Convert to fraction form
    205,005.42/282,909.69 = 114,360.66/x
  3. Step 3: Cross multiply
    205,005.42x = 282,909.69 × 114,360.66
  4. Step 4: Simplify right side
    205,005.42x = 32,353,738,868.80
  5. Step 5: Solve for x
    x = 32,353,738,868.80/205,005.42
  6. Step 6: Final answer
    x = 157,818.94

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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.