Home / 253,181.19-349,392.38-140,005.83

Finding the Fourth Proportional to 253,181.19, 349,392.38 and 140,005.83

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Solution

The fourth proportional to 253,181.19, 349,392.38 and 140,005.83 is: 193,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,181.19 : 349,392.38 = 140,005.83 : x
  2. Step 2: Convert to fraction form
    253,181.19/349,392.38 = 140,005.83/x
  3. Step 3: Cross multiply
    253,181.19x = 349,392.38 × 140,005.83
  4. Step 4: Simplify right side
    253,181.19x = 48,916,969,457.55
  5. Step 5: Solve for x
    x = 48,916,969,457.55/253,181.19
  6. Step 6: Final answer
    x = 193,209.34

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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.