Home / 236,247.60-326,009.70-128,816.76

Finding the Fourth Proportional to 236,247.60, 326,009.70 and 128,816.76

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Solution

The fourth proportional to 236,247.60, 326,009.70 and 128,816.76 is: 177,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,247.60 : 326,009.70 = 128,816.76 : x
  2. Step 2: Convert to fraction form
    236,247.60/326,009.70 = 128,816.76/x
  3. Step 3: Cross multiply
    236,247.60x = 326,009.70 × 128,816.76
  4. Step 4: Simplify right side
    236,247.60x = 41,995,513,282.57
  5. Step 5: Solve for x
    x = 41,995,513,282.57/236,247.60
  6. Step 6: Final answer
    x = 177,760.59

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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.