Home / 236,612.71-326,533.26-129,190.91

Finding the Fourth Proportional to 236,612.71, 326,533.26 and 129,190.91

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Solution

The fourth proportional to 236,612.71, 326,533.26 and 129,190.91 is: 178,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,612.71 : 326,533.26 = 129,190.91 : x
  2. Step 2: Convert to fraction form
    236,612.71/326,533.26 = 129,190.91/x
  3. Step 3: Cross multiply
    236,612.71x = 326,533.26 × 129,190.91
  4. Step 4: Simplify right side
    236,612.71x = 42,185,129,004.67
  5. Step 5: Solve for x
    x = 42,185,129,004.67/236,612.71
  6. Step 6: Final answer
    x = 178,287.67

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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.