Home / 236,018.40-326,119.68-188,662.56

Finding the Fourth Proportional to 236,018.40, 326,119.68 and 188,662.56

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Solution

The fourth proportional to 236,018.40, 326,119.68 and 188,662.56 is: 260,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,018.40 : 326,119.68 = 188,662.56 : x
  2. Step 2: Convert to fraction form
    236,018.40/326,119.68 = 188,662.56/x
  3. Step 3: Cross multiply
    236,018.40x = 326,119.68 × 188,662.56
  4. Step 4: Simplify right side
    236,018.40x = 61,526,573,695.18
  5. Step 5: Solve for x
    x = 61,526,573,695.18/236,018.40
  6. Step 6: Final answer
    x = 260,685.50

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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.