Home / 236,364.60-326,171.16-128,933.76

Finding the Fourth Proportional to 236,364.60, 326,171.16 and 128,933.76

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Solution

The fourth proportional to 236,364.60, 326,171.16 and 128,933.76 is: 177,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,364.60 : 326,171.16 = 128,933.76 : x
  2. Step 2: Convert to fraction form
    236,364.60/326,171.16 = 128,933.76/x
  3. Step 3: Cross multiply
    236,364.60x = 326,171.16 × 128,933.76
  4. Step 4: Simplify right side
    236,364.60x = 42,054,474,062.36
  5. Step 5: Solve for x
    x = 42,054,474,062.36/236,364.60
  6. Step 6: Final answer
    x = 177,922.05

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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.