Home / 240,019.02-331,226.40-131,124.84

Finding the Fourth Proportional to 240,019.02, 331,226.40 and 131,124.84

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Solution

The fourth proportional to 240,019.02, 331,226.40 and 131,124.84 is: 180,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,019.02 : 331,226.40 = 131,124.84 : x
  2. Step 2: Convert to fraction form
    240,019.02/331,226.40 = 131,124.84/x
  3. Step 3: Cross multiply
    240,019.02x = 331,226.40 × 131,124.84
  4. Step 4: Simplify right side
    240,019.02x = 43,432,008,703.78
  5. Step 5: Solve for x
    x = 43,432,008,703.78/240,019.02
  6. Step 6: Final answer
    x = 180,952.36

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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.