Home / 236,403.78-326,235.63-134,429.23

Finding the Fourth Proportional to 236,403.78, 326,235.63 and 134,429.23

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Solution

The fourth proportional to 236,403.78, 326,235.63 and 134,429.23 is: 185,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,403.78 : 326,235.63 = 134,429.23 : x
  2. Step 2: Convert to fraction form
    236,403.78/326,235.63 = 134,429.23/x
  3. Step 3: Cross multiply
    236,403.78x = 326,235.63 × 134,429.23
  4. Step 4: Simplify right side
    236,403.78x = 43,855,604,539.46
  5. Step 5: Solve for x
    x = 43,855,604,539.46/236,403.78
  6. Step 6: Final answer
    x = 185,511.44

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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.