Home / 165,417.68-248,128.05-47,089.01

Finding the Fourth Proportional to 165,417.68, 248,128.05 and 47,089.01

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Solution

The fourth proportional to 165,417.68, 248,128.05 and 47,089.01 is: 70,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,417.68 : 248,128.05 = 47,089.01 : x
  2. Step 2: Convert to fraction form
    165,417.68/248,128.05 = 47,089.01/x
  3. Step 3: Cross multiply
    165,417.68x = 248,128.05 × 47,089.01
  4. Step 4: Simplify right side
    165,417.68x = 11,684,104,227.73
  5. Step 5: Solve for x
    x = 11,684,104,227.73/165,417.68
  6. Step 6: Final answer
    x = 70,633.95

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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.