Home / 171,254.41-236,378.63-99,648.31

Finding the Fourth Proportional to 171,254.41, 236,378.63 and 99,648.31

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Solution

The fourth proportional to 171,254.41, 236,378.63 and 99,648.31 is: 137,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,254.41 : 236,378.63 = 99,648.31 : x
  2. Step 2: Convert to fraction form
    171,254.41/236,378.63 = 99,648.31/x
  3. Step 3: Cross multiply
    171,254.41x = 236,378.63 × 99,648.31
  4. Step 4: Simplify right side
    171,254.41x = 23,554,730,501.37
  5. Step 5: Solve for x
    x = 23,554,730,501.37/171,254.41
  6. Step 6: Final answer
    x = 137,542.33

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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.