Home / 236,585.43-326,493.48-129,156.27

Finding the Fourth Proportional to 236,585.43, 326,493.48 and 129,156.27

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Solution

The fourth proportional to 236,585.43, 326,493.48 and 129,156.27 is: 178,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,585.43 : 326,493.48 = 129,156.27 : x
  2. Step 2: Convert to fraction form
    236,585.43/326,493.48 = 129,156.27/x
  3. Step 3: Cross multiply
    236,585.43x = 326,493.48 × 129,156.27
  4. Step 4: Simplify right side
    236,585.43x = 42,168,680,056.12
  5. Step 5: Solve for x
    x = 42,168,680,056.12/236,585.43
  6. Step 6: Final answer
    x = 178,238.70

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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.