Home / 186,506.28-257,301.63-129,950.46

Finding the Fourth Proportional to 186,506.28, 257,301.63 and 129,950.46

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Solution

The fourth proportional to 186,506.28, 257,301.63 and 129,950.46 is: 179,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,506.28 : 257,301.63 = 129,950.46 : x
  2. Step 2: Convert to fraction form
    186,506.28/257,301.63 = 129,950.46/x
  3. Step 3: Cross multiply
    186,506.28x = 257,301.63 × 129,950.46
  4. Step 4: Simplify right side
    186,506.28x = 33,436,465,177.25
  5. Step 5: Solve for x
    x = 33,436,465,177.25/186,506.28
  6. Step 6: Final answer
    x = 179,277.96

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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.