Home / 251,562.42-347,156.01-138,384.36

Finding the Fourth Proportional to 251,562.42, 347,156.01 and 138,384.36

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Solution

The fourth proportional to 251,562.42, 347,156.01 and 138,384.36 is: 190,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,562.42 : 347,156.01 = 138,384.36 : x
  2. Step 2: Convert to fraction form
    251,562.42/347,156.01 = 138,384.36/x
  3. Step 3: Cross multiply
    251,562.42x = 347,156.01 × 138,384.36
  4. Step 4: Simplify right side
    251,562.42x = 48,040,962,264.00
  5. Step 5: Solve for x
    x = 48,040,962,264.00/251,562.42
  6. Step 6: Final answer
    x = 190,970.35

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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.