Home / 109,481.36-151,085.38-64,186.16

Finding the Fourth Proportional to 109,481.36, 151,085.38 and 64,186.16

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Solution

The fourth proportional to 109,481.36, 151,085.38 and 64,186.16 is: 88,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481.36 : 151,085.38 = 64,186.16 : x
  2. Step 2: Convert to fraction form
    109,481.36/151,085.38 = 64,186.16/x
  3. Step 3: Cross multiply
    109,481.36x = 151,085.38 × 64,186.16
  4. Step 4: Simplify right side
    109,481.36x = 9,697,590,374.34
  5. Step 5: Solve for x
    x = 9,697,590,374.34/109,481.36
  6. Step 6: Final answer
    x = 88,577.55

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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.