Home / 236,775.81-326,745.27-129,346.32

Finding the Fourth Proportional to 236,775.81, 326,745.27 and 129,346.32

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Solution

The fourth proportional to 236,775.81, 326,745.27 and 129,346.32 is: 178,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,775.81 : 326,745.27 = 129,346.32 : x
  2. Step 2: Convert to fraction form
    236,775.81/326,745.27 = 129,346.32/x
  3. Step 3: Cross multiply
    236,775.81x = 326,745.27 × 129,346.32
  4. Step 4: Simplify right side
    236,775.81x = 42,263,298,251.91
  5. Step 5: Solve for x
    x = 42,263,298,251.91/236,775.81
  6. Step 6: Final answer
    x = 178,495.00

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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.