Home / 171,274.34-236,409.12-99,686.18

Finding the Fourth Proportional to 171,274.34, 236,409.12 and 99,686.18

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Solution

The fourth proportional to 171,274.34, 236,409.12 and 99,686.18 is: 137,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,274.34 : 236,409.12 = 99,686.18 : x
  2. Step 2: Convert to fraction form
    171,274.34/236,409.12 = 99,686.18/x
  3. Step 3: Cross multiply
    171,274.34x = 236,409.12 × 99,686.18
  4. Step 4: Simplify right side
    171,274.34x = 23,566,722,089.96
  5. Step 5: Solve for x
    x = 23,566,722,089.96/171,274.34
  6. Step 6: Final answer
    x = 137,596.34

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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.