Home / 110,135.97-151,984.69-64,816.63

Finding the Fourth Proportional to 110,135.97, 151,984.69 and 64,816.63

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Solution

The fourth proportional to 110,135.97, 151,984.69 and 64,816.63 is: 89,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,135.97 : 151,984.69 = 64,816.63 : x
  2. Step 2: Convert to fraction form
    110,135.97/151,984.69 = 64,816.63/x
  3. Step 3: Cross multiply
    110,135.97x = 151,984.69 × 64,816.63
  4. Step 4: Simplify right side
    110,135.97x = 9,851,135,417.39
  5. Step 5: Solve for x
    x = 9,851,135,417.39/110,135.97
  6. Step 6: Final answer
    x = 89,445.21

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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.