Home / 330,878.61-496,075.95-106,111.10

Finding the Fourth Proportional to 330,878.61, 496,075.95 and 106,111.10

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Solution

The fourth proportional to 330,878.61, 496,075.95 and 106,111.10 is: 159,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,878.61 : 496,075.95 = 106,111.10 : x
  2. Step 2: Convert to fraction form
    330,878.61/496,075.95 = 106,111.10/x
  3. Step 3: Cross multiply
    330,878.61x = 496,075.95 × 106,111.10
  4. Step 4: Simplify right side
    330,878.61x = 52,639,162,257.67
  5. Step 5: Solve for x
    x = 52,639,162,257.67/330,878.61
  6. Step 6: Final answer
    x = 159,089.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.