Home / 195,927.76-270,333-124,281.76

Finding the Fourth Proportional to 195,927.76, 270,333 and 124,281.76

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Solution

The fourth proportional to 195,927.76, 270,333 and 124,281.76 is: 171,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,927.76 : 270,333 = 124,281.76 : x
  2. Step 2: Convert to fraction form
    195,927.76/270,333 = 124,281.76/x
  3. Step 3: Cross multiply
    195,927.76x = 270,333 × 124,281.76
  4. Step 4: Simplify right side
    195,927.76x = 33,597,461,026.08
  5. Step 5: Solve for x
    x = 33,597,461,026.08/195,927.76
  6. Step 6: Final answer
    x = 171,478.82

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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.