Home / 106,570.63-159,703.54-78,268.62

Finding the Fourth Proportional to 106,570.63, 159,703.54 and 78,268.62

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Solution

The fourth proportional to 106,570.63, 159,703.54 and 78,268.62 is: 117,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,570.63 : 159,703.54 = 78,268.62 : x
  2. Step 2: Convert to fraction form
    106,570.63/159,703.54 = 78,268.62/x
  3. Step 3: Cross multiply
    106,570.63x = 159,703.54 × 78,268.62
  4. Step 4: Simplify right side
    106,570.63x = 12,499,775,684.91
  5. Step 5: Solve for x
    x = 12,499,775,684.91/106,570.63
  6. Step 6: Final answer
    x = 117,291.00

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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.