Home / 202,460.70-279,397.86-111,818.94

Finding the Fourth Proportional to 202,460.70, 279,397.86 and 111,818.94

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Solution

The fourth proportional to 202,460.70, 279,397.86 and 111,818.94 is: 154,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,460.70 : 279,397.86 = 111,818.94 : x
  2. Step 2: Convert to fraction form
    202,460.70/279,397.86 = 111,818.94/x
  3. Step 3: Cross multiply
    202,460.70x = 279,397.86 × 111,818.94
  4. Step 4: Simplify right side
    202,460.70x = 31,241,972,543.47
  5. Step 5: Solve for x
    x = 31,241,972,543.47/202,460.70
  6. Step 6: Final answer
    x = 154,311.29

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1.5x scale

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.