Home / 111,273.86-153,468.78-97,816.52

Finding the Fourth Proportional to 111,273.86, 153,468.78 and 97,816.52

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Solution

The fourth proportional to 111,273.86, 153,468.78 and 97,816.52 is: 134,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,273.86 : 153,468.78 = 97,816.52 : x
  2. Step 2: Convert to fraction form
    111,273.86/153,468.78 = 97,816.52/x
  3. Step 3: Cross multiply
    111,273.86x = 153,468.78 × 97,816.52
  4. Step 4: Simplify right side
    111,273.86x = 15,011,781,988.25
  5. Step 5: Solve for x
    x = 15,011,781,988.25/111,273.86
  6. Step 6: Final answer
    x = 134,908.43

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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.