Home / 132,713.05-183,143.06-72,283.50

Finding the Fourth Proportional to 132,713.05, 183,143.06 and 72,283.50

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Solution

The fourth proportional to 132,713.05, 183,143.06 and 72,283.50 is: 99,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,713.05 : 183,143.06 = 72,283.50 : x
  2. Step 2: Convert to fraction form
    132,713.05/183,143.06 = 72,283.50/x
  3. Step 3: Cross multiply
    132,713.05x = 183,143.06 × 72,283.50
  4. Step 4: Simplify right side
    132,713.05x = 13,238,221,377.51
  5. Step 5: Solve for x
    x = 13,238,221,377.51/132,713.05
  6. Step 6: Final answer
    x = 99,750.71

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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.