Home / 236,301.30-326,099.97-128,875.26

Finding the Fourth Proportional to 236,301.30, 326,099.97 and 128,875.26

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Solution

The fourth proportional to 236,301.30, 326,099.97 and 128,875.26 is: 177,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,301.30 : 326,099.97 = 128,875.26 : x
  2. Step 2: Convert to fraction form
    236,301.30/326,099.97 = 128,875.26/x
  3. Step 3: Cross multiply
    236,301.30x = 326,099.97 × 128,875.26
  4. Step 4: Simplify right side
    236,301.30x = 42,026,218,419.74
  5. Step 5: Solve for x
    x = 42,026,218,419.74/236,301.30
  6. Step 6: Final answer
    x = 177,850.14

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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.