Home / 251,529.30-347,106.96-136,805.46

Finding the Fourth Proportional to 251,529.30, 347,106.96 and 136,805.46

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Solution

The fourth proportional to 251,529.30, 347,106.96 and 136,805.46 is: 188,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,529.30 : 347,106.96 = 136,805.46 : x
  2. Step 2: Convert to fraction form
    251,529.30/347,106.96 = 136,805.46/x
  3. Step 3: Cross multiply
    251,529.30x = 347,106.96 × 136,805.46
  4. Step 4: Simplify right side
    251,529.30x = 47,486,127,332.00
  5. Step 5: Solve for x
    x = 47,486,127,332.00/251,529.30
  6. Step 6: Final answer
    x = 188,789.65

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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.