Home / 253,339.12-349,598.36-140,166.64

Finding the Fourth Proportional to 253,339.12, 349,598.36 and 140,166.64

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Solution

The fourth proportional to 253,339.12, 349,598.36 and 140,166.64 is: 193,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,339.12 : 349,598.36 = 140,166.64 : x
  2. Step 2: Convert to fraction form
    253,339.12/349,598.36 = 140,166.64/x
  3. Step 3: Cross multiply
    253,339.12x = 349,598.36 × 140,166.64
  4. Step 4: Simplify right side
    253,339.12x = 49,002,027,470.71
  5. Step 5: Solve for x
    x = 49,002,027,470.71/253,339.12
  6. Step 6: Final answer
    x = 193,424.64

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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.