Home / 115,181.36-158,955.12-64,194.12

Finding the Fourth Proportional to 115,181.36, 158,955.12 and 64,194.12

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Solution

The fourth proportional to 115,181.36, 158,955.12 and 64,194.12 is: 88,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.36 : 158,955.12 = 64,194.12 : x
  2. Step 2: Convert to fraction form
    115,181.36/158,955.12 = 64,194.12/x
  3. Step 3: Cross multiply
    115,181.36x = 158,955.12 × 64,194.12
  4. Step 4: Simplify right side
    115,181.36x = 10,203,984,047.89
  5. Step 5: Solve for x
    x = 10,203,984,047.89/115,181.36
  6. Step 6: Final answer
    x = 88,590.58

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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.