Home / 236,455.61-326,309.58-129,028.01

Finding the Fourth Proportional to 236,455.61, 326,309.58 and 129,028.01

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Solution

The fourth proportional to 236,455.61, 326,309.58 and 129,028.01 is: 178,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,455.61 : 326,309.58 = 129,028.01 : x
  2. Step 2: Convert to fraction form
    236,455.61/326,309.58 = 129,028.01/x
  3. Step 3: Cross multiply
    236,455.61x = 326,309.58 × 129,028.01
  4. Step 4: Simplify right side
    236,455.61x = 42,103,074,119.79
  5. Step 5: Solve for x
    x = 42,103,074,119.79/236,455.61
  6. Step 6: Final answer
    x = 178,059.11

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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.