Home / 236,297.60-326,091.24-128,868.32

Finding the Fourth Proportional to 236,297.60, 326,091.24 and 128,868.32

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Solution

The fourth proportional to 236,297.60, 326,091.24 and 128,868.32 is: 177,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,297.60 : 326,091.24 = 128,868.32 : x
  2. Step 2: Convert to fraction form
    236,297.60/326,091.24 = 128,868.32/x
  3. Step 3: Cross multiply
    236,297.60x = 326,091.24 × 128,868.32
  4. Step 4: Simplify right side
    236,297.60x = 42,022,830,265.52
  5. Step 5: Solve for x
    x = 42,022,830,265.52/236,297.60
  6. Step 6: Final answer
    x = 177,838.58

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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.