Home / 110,100.16-151,935.65-64,781.08

Finding the Fourth Proportional to 110,100.16, 151,935.65 and 64,781.08

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Solution

The fourth proportional to 110,100.16, 151,935.65 and 64,781.08 is: 89,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,100.16 : 151,935.65 = 64,781.08 : x
  2. Step 2: Convert to fraction form
    110,100.16/151,935.65 = 64,781.08/x
  3. Step 3: Cross multiply
    110,100.16x = 151,935.65 × 64,781.08
  4. Step 4: Simplify right side
    110,100.16x = 9,842,555,250.35
  5. Step 5: Solve for x
    x = 9,842,555,250.35/110,100.16
  6. Step 6: Final answer
    x = 89,396.37

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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.