Home / 236,351.01-326,165.40-128,923.35

Finding the Fourth Proportional to 236,351.01, 326,165.40 and 128,923.35

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Solution

The fourth proportional to 236,351.01, 326,165.40 and 128,923.35 is: 177,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,351.01 : 326,165.40 = 128,923.35 : x
  2. Step 2: Convert to fraction form
    236,351.01/326,165.40 = 128,923.35/x
  3. Step 3: Cross multiply
    236,351.01x = 326,165.40 × 128,923.35
  4. Step 4: Simplify right side
    236,351.01x = 42,050,336,022.09
  5. Step 5: Solve for x
    x = 42,050,336,022.09/236,351.01
  6. Step 6: Final answer
    x = 177,914.77

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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.