Home / 236,904.57-326,927.54-129,474.59

Finding the Fourth Proportional to 236,904.57, 326,927.54 and 129,474.59

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Solution

The fourth proportional to 236,904.57, 326,927.54 and 129,474.59 is: 178,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,904.57 : 326,927.54 = 129,474.59 : x
  2. Step 2: Convert to fraction form
    236,904.57/326,927.54 = 129,474.59/x
  3. Step 3: Cross multiply
    236,904.57x = 326,927.54 × 129,474.59
  4. Step 4: Simplify right side
    236,904.57x = 42,328,807,890.26
  5. Step 5: Solve for x
    x = 42,328,807,890.26/236,904.57
  6. Step 6: Final answer
    x = 178,674.51

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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.