Home / 236,628.24-326,547.54-129,198.30

Finding the Fourth Proportional to 236,628.24, 326,547.54 and 129,198.30

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Solution

The fourth proportional to 236,628.24, 326,547.54 and 129,198.30 is: 178,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,628.24 : 326,547.54 = 129,198.30 : x
  2. Step 2: Convert to fraction form
    236,628.24/326,547.54 = 129,198.30/x
  3. Step 3: Cross multiply
    236,628.24x = 326,547.54 × 129,198.30
  4. Step 4: Simplify right side
    236,628.24x = 42,189,387,037.18
  5. Step 5: Solve for x
    x = 42,189,387,037.18/236,628.24
  6. Step 6: Final answer
    x = 178,293.96

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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.