Home / 236,332.48-326,142.71-128,902.52

Finding the Fourth Proportional to 236,332.48, 326,142.71 and 128,902.52

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Solution

The fourth proportional to 236,332.48, 326,142.71 and 128,902.52 is: 177,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,332.48 : 326,142.71 = 128,902.52 : x
  2. Step 2: Convert to fraction form
    236,332.48/326,142.71 = 128,902.52/x
  3. Step 3: Cross multiply
    236,332.48x = 326,142.71 × 128,902.52
  4. Step 4: Simplify right side
    236,332.48x = 42,040,617,198.63
  5. Step 5: Solve for x
    x = 42,040,617,198.63/236,332.48
  6. Step 6: Final answer
    x = 177,887.60

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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.