Home / 236,353.02-326,168.16-128,925.36

Finding the Fourth Proportional to 236,353.02, 326,168.16 and 128,925.36

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Solution

The fourth proportional to 236,353.02, 326,168.16 and 128,925.36 is: 177,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,353.02 : 326,168.16 = 128,925.36 : x
  2. Step 2: Convert to fraction form
    236,353.02/326,168.16 = 128,925.36/x
  3. Step 3: Cross multiply
    236,353.02x = 326,168.16 × 128,925.36
  4. Step 4: Simplify right side
    236,353.02x = 42,051,347,448.54
  5. Step 5: Solve for x
    x = 42,051,347,448.54/236,353.02
  6. Step 6: Final answer
    x = 177,917.54

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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.