Home / 233,628.50-322,385.40-131,637.15

Finding the Fourth Proportional to 233,628.50, 322,385.40 and 131,637.15

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Solution

The fourth proportional to 233,628.50, 322,385.40 and 131,637.15 is: 181,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,628.50 : 322,385.40 = 131,637.15 : x
  2. Step 2: Convert to fraction form
    233,628.50/322,385.40 = 131,637.15/x
  3. Step 3: Cross multiply
    233,628.50x = 322,385.40 × 131,637.15
  4. Step 4: Simplify right side
    233,628.50x = 42,437,895,257.61
  5. Step 5: Solve for x
    x = 42,437,895,257.61/233,628.50
  6. Step 6: Final answer
    x = 181,646.91

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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.