Home / 171,243.15-236,363.07-99,637.03

Finding the Fourth Proportional to 171,243.15, 236,363.07 and 99,637.03

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Solution

The fourth proportional to 171,243.15, 236,363.07 and 99,637.03 is: 137,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,243.15 : 236,363.07 = 99,637.03 : x
  2. Step 2: Convert to fraction form
    171,243.15/236,363.07 = 99,637.03/x
  3. Step 3: Cross multiply
    171,243.15x = 236,363.07 × 99,637.03
  4. Step 4: Simplify right side
    171,243.15x = 23,550,514,296.48
  5. Step 5: Solve for x
    x = 23,550,514,296.48/171,243.15
  6. Step 6: Final answer
    x = 137,526.75

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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.