Home / 236,710.56-326,658.84-129,280.62

Finding the Fourth Proportional to 236,710.56, 326,658.84 and 129,280.62

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Solution

The fourth proportional to 236,710.56, 326,658.84 and 129,280.62 is: 178,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,710.56 : 326,658.84 = 129,280.62 : x
  2. Step 2: Convert to fraction form
    236,710.56/326,658.84 = 129,280.62/x
  3. Step 3: Cross multiply
    236,710.56x = 326,658.84 × 129,280.62
  4. Step 4: Simplify right side
    236,710.56x = 42,230,657,363.68
  5. Step 5: Solve for x
    x = 42,230,657,363.68/236,710.56
  6. Step 6: Final answer
    x = 178,406.31

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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.