Home / 186,000.55-256,682.92-103,216.23

Finding the Fourth Proportional to 186,000.55, 256,682.92 and 103,216.23

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Solution

The fourth proportional to 186,000.55, 256,682.92 and 103,216.23 is: 142,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,000.55 : 256,682.92 = 103,216.23 : x
  2. Step 2: Convert to fraction form
    186,000.55/256,682.92 = 103,216.23/x
  3. Step 3: Cross multiply
    186,000.55x = 256,682.92 × 103,216.23
  4. Step 4: Simplify right side
    186,000.55x = 26,493,843,307.79
  5. Step 5: Solve for x
    x = 26,493,843,307.79/186,000.55
  6. Step 6: Final answer
    x = 142,439.60

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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.