Home / 113,863.03-157,177.31-73,580.11

Finding the Fourth Proportional to 113,863.03, 157,177.31 and 73,580.11

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Solution

The fourth proportional to 113,863.03, 157,177.31 and 73,580.11 is: 101,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,863.03 : 157,177.31 = 73,580.11 : x
  2. Step 2: Convert to fraction form
    113,863.03/157,177.31 = 73,580.11/x
  3. Step 3: Cross multiply
    113,863.03x = 157,177.31 × 73,580.11
  4. Step 4: Simplify right side
    113,863.03x = 11,565,122,998.46
  5. Step 5: Solve for x
    x = 11,565,122,998.46/113,863.03
  6. Step 6: Final answer
    x = 101,570.49

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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.