Home / 223,060.15-307,823.40-121,085.70

Finding the Fourth Proportional to 223,060.15, 307,823.40 and 121,085.70

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Solution

The fourth proportional to 223,060.15, 307,823.40 and 121,085.70 is: 167,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,060.15 : 307,823.40 = 121,085.70 : x
  2. Step 2: Convert to fraction form
    223,060.15/307,823.40 = 121,085.70/x
  3. Step 3: Cross multiply
    223,060.15x = 307,823.40 × 121,085.70
  4. Step 4: Simplify right side
    223,060.15x = 37,273,011,865.38
  5. Step 5: Solve for x
    x = 37,273,011,865.38/223,060.15
  6. Step 6: Final answer
    x = 167,098.48

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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.