Home / 107,147.00-147,852.14-64,117.78

Finding the Fourth Proportional to 107,147.00, 147,852.14 and 64,117.78

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Solution

The fourth proportional to 107,147.00, 147,852.14 and 64,117.78 is: 88,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,147.00 : 147,852.14 = 64,117.78 : x
  2. Step 2: Convert to fraction form
    107,147.00/147,852.14 = 64,117.78/x
  3. Step 3: Cross multiply
    107,147.00x = 147,852.14 × 64,117.78
  4. Step 4: Simplify right side
    107,147.00x = 9,479,950,294.83
  5. Step 5: Solve for x
    x = 9,479,950,294.83/107,147.00
  6. Step 6: Final answer
    x = 88,476.11

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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.