Home / 236,913.40-326,935.62-129,484.20

Finding the Fourth Proportional to 236,913.40, 326,935.62 and 129,484.20

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Solution

The fourth proportional to 236,913.40, 326,935.62 and 129,484.20 is: 178,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,913.40 : 326,935.62 = 129,484.20 : x
  2. Step 2: Convert to fraction form
    236,913.40/326,935.62 = 129,484.20/x
  3. Step 3: Cross multiply
    236,913.40x = 326,935.62 × 129,484.20
  4. Step 4: Simplify right side
    236,913.40x = 42,332,997,207.20
  5. Step 5: Solve for x
    x = 42,332,997,207.20/236,913.40
  6. Step 6: Final answer
    x = 178,685.53

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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.