Home / 186,173.29-256,921.77-101,290.42

Finding the Fourth Proportional to 186,173.29, 256,921.77 and 101,290.42

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Solution

The fourth proportional to 186,173.29, 256,921.77 and 101,290.42 is: 139,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,173.29 : 256,921.77 = 101,290.42 : x
  2. Step 2: Convert to fraction form
    186,173.29/256,921.77 = 101,290.42/x
  3. Step 3: Cross multiply
    186,173.29x = 256,921.77 × 101,290.42
  4. Step 4: Simplify right side
    186,173.29x = 26,023,713,990.44
  5. Step 5: Solve for x
    x = 26,023,713,990.44/186,173.29
  6. Step 6: Final answer
    x = 139,782.21

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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.