Home / 186,504.03-257,298.53-129,948.21

Finding the Fourth Proportional to 186,504.03, 257,298.53 and 129,948.21

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Solution

The fourth proportional to 186,504.03, 257,298.53 and 129,948.21 is: 179,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,504.03 : 257,298.53 = 129,948.21 : x
  2. Step 2: Convert to fraction form
    186,504.03/257,298.53 = 129,948.21/x
  3. Step 3: Cross multiply
    186,504.03x = 257,298.53 × 129,948.21
  4. Step 4: Simplify right side
    186,504.03x = 33,435,482,759.39
  5. Step 5: Solve for x
    x = 33,435,482,759.39/186,504.03
  6. Step 6: Final answer
    x = 179,274.85

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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.