Home / 165,526.93-248,118-76,707.46

Finding the Fourth Proportional to 165,526.93, 248,118 and 76,707.46

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Solution

The fourth proportional to 165,526.93, 248,118 and 76,707.46 is: 114,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,526.93 : 248,118 = 76,707.46 : x
  2. Step 2: Convert to fraction form
    165,526.93/248,118 = 76,707.46/x
  3. Step 3: Cross multiply
    165,526.93x = 248,118 × 76,707.46
  4. Step 4: Simplify right side
    165,526.93x = 19,032,501,560.28
  5. Step 5: Solve for x
    x = 19,032,501,560.28/165,526.93
  6. Step 6: Final answer
    x = 114,981.30

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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.