Home / 236,817.65-326,813.06-129,394.35

Finding the Fourth Proportional to 236,817.65, 326,813.06 and 129,394.35

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Solution

The fourth proportional to 236,817.65, 326,813.06 and 129,394.35 is: 178,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,817.65 : 326,813.06 = 129,394.35 : x
  2. Step 2: Convert to fraction form
    236,817.65/326,813.06 = 129,394.35/x
  3. Step 3: Cross multiply
    236,817.65x = 326,813.06 × 129,394.35
  4. Step 4: Simplify right side
    236,817.65x = 42,287,763,793.70
  5. Step 5: Solve for x
    x = 42,287,763,793.70/236,817.65
  6. Step 6: Final answer
    x = 178,566.77

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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.