Home / 186,074.23-256,840.02-138,392.17

Finding the Fourth Proportional to 186,074.23, 256,840.02 and 138,392.17

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Solution

The fourth proportional to 186,074.23, 256,840.02 and 138,392.17 is: 191,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,074.23 : 256,840.02 = 138,392.17 : x
  2. Step 2: Convert to fraction form
    186,074.23/256,840.02 = 138,392.17/x
  3. Step 3: Cross multiply
    186,074.23x = 256,840.02 × 138,392.17
  4. Step 4: Simplify right side
    186,074.23x = 35,544,647,710.64
  5. Step 5: Solve for x
    x = 35,544,647,710.64/186,074.23
  6. Step 6: Final answer
    x = 191,024.02

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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.