Home / 107,656.36-148,411.79-75,726.16

Finding the Fourth Proportional to 107,656.36, 148,411.79 and 75,726.16

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Solution

The fourth proportional to 107,656.36, 148,411.79 and 75,726.16 is: 104,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,656.36 : 148,411.79 = 75,726.16 : x
  2. Step 2: Convert to fraction form
    107,656.36/148,411.79 = 75,726.16/x
  3. Step 3: Cross multiply
    107,656.36x = 148,411.79 × 75,726.16
  4. Step 4: Simplify right side
    107,656.36x = 11,238,654,955.43
  5. Step 5: Solve for x
    x = 11,238,654,955.43/107,656.36
  6. Step 6: Final answer
    x = 104,393.79

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1.5x scale

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.