Home / 236,666.07-326,601.86-129,237.39

Finding the Fourth Proportional to 236,666.07, 326,601.86 and 129,237.39

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Solution

The fourth proportional to 236,666.07, 326,601.86 and 129,237.39 is: 178,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,666.07 : 326,601.86 = 129,237.39 : x
  2. Step 2: Convert to fraction form
    236,666.07/326,601.86 = 129,237.39/x
  3. Step 3: Cross multiply
    236,666.07x = 326,601.86 × 129,237.39
  4. Step 4: Simplify right side
    236,666.07x = 42,209,171,309.36
  5. Step 5: Solve for x
    x = 42,209,171,309.36/236,666.07
  6. Step 6: Final answer
    x = 178,349.06

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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.