Home / 132,800.07-183,264.13-72,370.73

Finding the Fourth Proportional to 132,800.07, 183,264.13 and 72,370.73

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Solution

The fourth proportional to 132,800.07, 183,264.13 and 72,370.73 is: 99,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.07 : 183,264.13 = 72,370.73 : x
  2. Step 2: Convert to fraction form
    132,800.07/183,264.13 = 72,370.73/x
  3. Step 3: Cross multiply
    132,800.07x = 183,264.13 × 72,370.73
  4. Step 4: Simplify right side
    132,800.07x = 13,262,958,870.91
  5. Step 5: Solve for x
    x = 13,262,958,870.91/132,800.07
  6. Step 6: Final answer
    x = 99,871.63

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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.