Home / 171,425.12-236,553.79-98,776.40

Finding the Fourth Proportional to 171,425.12, 236,553.79 and 98,776.40

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Solution

The fourth proportional to 171,425.12, 236,553.79 and 98,776.40 is: 136,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,425.12 : 236,553.79 = 98,776.40 : x
  2. Step 2: Convert to fraction form
    171,425.12/236,553.79 = 98,776.40/x
  3. Step 3: Cross multiply
    171,425.12x = 236,553.79 × 98,776.40
  4. Step 4: Simplify right side
    171,425.12x = 23,365,931,782.56
  5. Step 5: Solve for x
    x = 23,365,931,782.56/171,425.12
  6. Step 6: Final answer
    x = 136,304.01

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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.