Home / 140,908.19-211,309.77-56,639.95

Finding the Fourth Proportional to 140,908.19, 211,309.77 and 56,639.95

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Solution

The fourth proportional to 140,908.19, 211,309.77 and 56,639.95 is: 84,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,908.19 : 211,309.77 = 56,639.95 : x
  2. Step 2: Convert to fraction form
    140,908.19/211,309.77 = 56,639.95/x
  3. Step 3: Cross multiply
    140,908.19x = 211,309.77 × 56,639.95
  4. Step 4: Simplify right side
    140,908.19x = 11,968,574,926.45
  5. Step 5: Solve for x
    x = 11,968,574,926.45/140,908.19
  6. Step 6: Final answer
    x = 84,938.82

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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.