Home / 153,289.05-211,506.55-89,614.54

Finding the Fourth Proportional to 153,289.05, 211,506.55 and 89,614.54

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Solution

The fourth proportional to 153,289.05, 211,506.55 and 89,614.54 is: 123,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,289.05 : 211,506.55 = 89,614.54 : x
  2. Step 2: Convert to fraction form
    153,289.05/211,506.55 = 89,614.54/x
  3. Step 3: Cross multiply
    153,289.05x = 211,506.55 × 89,614.54
  4. Step 4: Simplify right side
    153,289.05x = 18,954,062,185.24
  5. Step 5: Solve for x
    x = 18,954,062,185.24/153,289.05
  6. Step 6: Final answer
    x = 123,649.16

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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.