Home / 165,438.08-248,036.15-53,054.33

Finding the Fourth Proportional to 165,438.08, 248,036.15 and 53,054.33

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Solution

The fourth proportional to 165,438.08, 248,036.15 and 53,054.33 is: 79,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,438.08 : 248,036.15 = 53,054.33 : x
  2. Step 2: Convert to fraction form
    165,438.08/248,036.15 = 53,054.33/x
  3. Step 3: Cross multiply
    165,438.08x = 248,036.15 × 53,054.33
  4. Step 4: Simplify right side
    165,438.08x = 13,159,390,248.58
  5. Step 5: Solve for x
    x = 13,159,390,248.58/165,438.08
  6. Step 6: Final answer
    x = 79,542.69

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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.