Home / 186,441.03-257,299.65-140,419.53

Finding the Fourth Proportional to 186,441.03, 257,299.65 and 140,419.53

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Solution

The fourth proportional to 186,441.03, 257,299.65 and 140,419.53 is: 193,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,441.03 : 257,299.65 = 140,419.53 : x
  2. Step 2: Convert to fraction form
    186,441.03/257,299.65 = 140,419.53/x
  3. Step 3: Cross multiply
    186,441.03x = 257,299.65 × 140,419.53
  4. Step 4: Simplify right side
    186,441.03x = 36,129,895,922.16
  5. Step 5: Solve for x
    x = 36,129,895,922.16/186,441.03
  6. Step 6: Final answer
    x = 193,787.26

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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.