Home / 165,731.47-248,430.75-53,329.08

Finding the Fourth Proportional to 165,731.47, 248,430.75 and 53,329.08

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Solution

The fourth proportional to 165,731.47, 248,430.75 and 53,329.08 is: 79,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,731.47 : 248,430.75 = 53,329.08 : x
  2. Step 2: Convert to fraction form
    165,731.47/248,430.75 = 53,329.08/x
  3. Step 3: Cross multiply
    165,731.47x = 248,430.75 × 53,329.08
  4. Step 4: Simplify right side
    165,731.47x = 13,248,584,072.84
  5. Step 5: Solve for x
    x = 13,248,584,072.84/165,731.47
  6. Step 6: Final answer
    x = 79,940.06

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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.