Home / 236,245.69-326,011.95-128,817.82

Finding the Fourth Proportional to 236,245.69, 326,011.95 and 128,817.82

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Solution

The fourth proportional to 236,245.69, 326,011.95 and 128,817.82 is: 177,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,245.69 : 326,011.95 = 128,817.82 : x
  2. Step 2: Convert to fraction form
    236,245.69/326,011.95 = 128,817.82/x
  3. Step 3: Cross multiply
    236,245.69x = 326,011.95 × 128,817.82
  4. Step 4: Simplify right side
    236,245.69x = 41,996,148,692.95
  5. Step 5: Solve for x
    x = 41,996,148,692.95/236,245.69
  6. Step 6: Final answer
    x = 177,764.72

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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.