Home / 236,688.41-326,628.34-129,258.47

Finding the Fourth Proportional to 236,688.41, 326,628.34 and 129,258.47

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Solution

The fourth proportional to 236,688.41, 326,628.34 and 129,258.47 is: 178,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,688.41 : 326,628.34 = 129,258.47 : x
  2. Step 2: Convert to fraction form
    236,688.41/326,628.34 = 129,258.47/x
  3. Step 3: Cross multiply
    236,688.41x = 326,628.34 × 129,258.47
  4. Step 4: Simplify right side
    236,688.41x = 42,219,477,530.75
  5. Step 5: Solve for x
    x = 42,219,477,530.75/236,688.41
  6. Step 6: Final answer
    x = 178,375.77

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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.