Home / 236,312.01-326,103.30-128,884.14

Finding the Fourth Proportional to 236,312.01, 326,103.30 and 128,884.14

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Solution

The fourth proportional to 236,312.01, 326,103.30 and 128,884.14 is: 177,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,312.01 : 326,103.30 = 128,884.14 : x
  2. Step 2: Convert to fraction form
    236,312.01/326,103.30 = 128,884.14/x
  3. Step 3: Cross multiply
    236,312.01x = 326,103.30 × 128,884.14
  4. Step 4: Simplify right side
    236,312.01x = 42,029,543,371.66
  5. Step 5: Solve for x
    x = 42,029,543,371.66/236,312.01
  6. Step 6: Final answer
    x = 177,856.15

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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.