Home / 236,633.02-326,551.09-129,202.72

Finding the Fourth Proportional to 236,633.02, 326,551.09 and 129,202.72

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Solution

The fourth proportional to 236,633.02, 326,551.09 and 129,202.72 is: 178,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,633.02 : 326,551.09 = 129,202.72 : x
  2. Step 2: Convert to fraction form
    236,633.02/326,551.09 = 129,202.72/x
  3. Step 3: Cross multiply
    236,633.02x = 326,551.09 × 129,202.72
  4. Step 4: Simplify right side
    236,633.02x = 42,191,289,046.96
  5. Step 5: Solve for x
    x = 42,191,289,046.96/236,633.02
  6. Step 6: Final answer
    x = 178,298.40

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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.