Home / 186,333.42-257,136.08-108,822.40

Finding the Fourth Proportional to 186,333.42, 257,136.08 and 108,822.40

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Solution

The fourth proportional to 186,333.42, 257,136.08 and 108,822.40 is: 150,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,333.42 : 257,136.08 = 108,822.40 : x
  2. Step 2: Convert to fraction form
    186,333.42/257,136.08 = 108,822.40/x
  3. Step 3: Cross multiply
    186,333.42x = 257,136.08 × 108,822.40
  4. Step 4: Simplify right side
    186,333.42x = 27,982,165,352.19
  5. Step 5: Solve for x
    x = 27,982,165,352.19/186,333.42
  6. Step 6: Final answer
    x = 150,172.55

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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.