Home / 105,556.74-158,320.47-26,666.10

Finding the Fourth Proportional to 105,556.74, 158,320.47 and 26,666.10

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Solution

The fourth proportional to 105,556.74, 158,320.47 and 26,666.10 is: 39,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,556.74 : 158,320.47 = 26,666.10 : x
  2. Step 2: Convert to fraction form
    105,556.74/158,320.47 = 26,666.10/x
  3. Step 3: Cross multiply
    105,556.74x = 158,320.47 × 26,666.10
  4. Step 4: Simplify right side
    105,556.74x = 4,221,789,485.07
  5. Step 5: Solve for x
    x = 4,221,789,485.07/105,556.74
  6. Step 6: Final answer
    x = 39,995.45

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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.