Home / 236,345.52-326,165.04-128,921.52

Finding the Fourth Proportional to 236,345.52, 326,165.04 and 128,921.52

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Solution

The fourth proportional to 236,345.52, 326,165.04 and 128,921.52 is: 177,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,345.52 : 326,165.04 = 128,921.52 : x
  2. Step 2: Convert to fraction form
    236,345.52/326,165.04 = 128,921.52/x
  3. Step 3: Cross multiply
    236,345.52x = 326,165.04 × 128,921.52
  4. Step 4: Simplify right side
    236,345.52x = 42,049,692,727.66
  5. Step 5: Solve for x
    x = 42,049,692,727.66/236,345.52
  6. Step 6: Final answer
    x = 177,916.18

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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.