Home / 149,679.30-206,592.91-86,054.06

Finding the Fourth Proportional to 149,679.30, 206,592.91 and 86,054.06

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Solution

The fourth proportional to 149,679.30, 206,592.91 and 86,054.06 is: 118,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679.30 : 206,592.91 = 86,054.06 : x
  2. Step 2: Convert to fraction form
    149,679.30/206,592.91 = 86,054.06/x
  3. Step 3: Cross multiply
    149,679.30x = 206,592.91 × 86,054.06
  4. Step 4: Simplify right side
    149,679.30x = 17,778,158,672.71
  5. Step 5: Solve for x
    x = 17,778,158,672.71/149,679.30
  6. Step 6: Final answer
    x = 118,775.00

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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.