Home / 153,171.36-211,345.23-89,496.84

Finding the Fourth Proportional to 153,171.36, 211,345.23 and 89,496.84

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Solution

The fourth proportional to 153,171.36, 211,345.23 and 89,496.84 is: 123,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,171.36 : 211,345.23 = 89,496.84 : x
  2. Step 2: Convert to fraction form
    153,171.36/211,345.23 = 89,496.84/x
  3. Step 3: Cross multiply
    153,171.36x = 211,345.23 × 89,496.84
  4. Step 4: Simplify right side
    153,171.36x = 18,914,730,234.07
  5. Step 5: Solve for x
    x = 18,914,730,234.07/153,171.36
  6. Step 6: Final answer
    x = 123,487.38

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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.