Home / 195,637.60-293,456.40-90,661.60

Finding the Fourth Proportional to 195,637.60, 293,456.40 and 90,661.60

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Solution

The fourth proportional to 195,637.60, 293,456.40 and 90,661.60 is: 135,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,637.60 : 293,456.40 = 90,661.60 : x
  2. Step 2: Convert to fraction form
    195,637.60/293,456.40 = 90,661.60/x
  3. Step 3: Cross multiply
    195,637.60x = 293,456.40 × 90,661.60
  4. Step 4: Simplify right side
    195,637.60x = 26,605,226,754.24
  5. Step 5: Solve for x
    x = 26,605,226,754.24/195,637.60
  6. Step 6: Final answer
    x = 135,992.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.