Home / 236,302.24-326,099.64-128,871.40

Finding the Fourth Proportional to 236,302.24, 326,099.64 and 128,871.40

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Solution

The fourth proportional to 236,302.24, 326,099.64 and 128,871.40 is: 177,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,302.24 : 326,099.64 = 128,871.40 : x
  2. Step 2: Convert to fraction form
    236,302.24/326,099.64 = 128,871.40/x
  3. Step 3: Cross multiply
    236,302.24x = 326,099.64 × 128,871.40
  4. Step 4: Simplify right side
    236,302.24x = 42,024,917,146.30
  5. Step 5: Solve for x
    x = 42,024,917,146.30/236,302.24
  6. Step 6: Final answer
    x = 177,843.92

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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.