Home / 158,240.63-218,372.37-86,625.23

Finding the Fourth Proportional to 158,240.63, 218,372.37 and 86,625.23

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Solution

The fourth proportional to 158,240.63, 218,372.37 and 86,625.23 is: 119,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,240.63 : 218,372.37 = 86,625.23 : x
  2. Step 2: Convert to fraction form
    158,240.63/218,372.37 = 86,625.23/x
  3. Step 3: Cross multiply
    158,240.63x = 218,372.37 × 86,625.23
  4. Step 4: Simplify right side
    158,240.63x = 18,916,556,776.90
  5. Step 5: Solve for x
    x = 18,916,556,776.90/158,240.63
  6. Step 6: Final answer
    x = 119,542.98

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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.