Home / 115,368.23-159,208.51-64,383.11

Finding the Fourth Proportional to 115,368.23, 159,208.51 and 64,383.11

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Solution

The fourth proportional to 115,368.23, 159,208.51 and 64,383.11 is: 88,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,368.23 : 159,208.51 = 64,383.11 : x
  2. Step 2: Convert to fraction form
    115,368.23/159,208.51 = 64,383.11/x
  3. Step 3: Cross multiply
    115,368.23x = 159,208.51 × 64,383.11
  4. Step 4: Simplify right side
    115,368.23x = 10,250,339,249.33
  5. Step 5: Solve for x
    x = 10,250,339,249.33/115,368.23
  6. Step 6: Final answer
    x = 88,848.89

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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.