Home / 119,405.12-164,777.27-65,686.95

Finding the Fourth Proportional to 119,405.12, 164,777.27 and 65,686.95

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Solution

The fourth proportional to 119,405.12, 164,777.27 and 65,686.95 is: 90,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,405.12 : 164,777.27 = 65,686.95 : x
  2. Step 2: Convert to fraction form
    119,405.12/164,777.27 = 65,686.95/x
  3. Step 3: Cross multiply
    119,405.12x = 164,777.27 × 65,686.95
  4. Step 4: Simplify right side
    119,405.12x = 10,823,715,967.19
  5. Step 5: Solve for x
    x = 10,823,715,967.19/119,405.12
  6. Step 6: Final answer
    x = 90,647.00

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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.