Home / 186,019.44-256,701.47-105,454.41

Finding the Fourth Proportional to 186,019.44, 256,701.47 and 105,454.41

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Solution

The fourth proportional to 186,019.44, 256,701.47 and 105,454.41 is: 145,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,019.44 : 256,701.47 = 105,454.41 : x
  2. Step 2: Convert to fraction form
    186,019.44/256,701.47 = 105,454.41/x
  3. Step 3: Cross multiply
    186,019.44x = 256,701.47 × 105,454.41
  4. Step 4: Simplify right side
    186,019.44x = 27,070,301,537.71
  5. Step 5: Solve for x
    x = 27,070,301,537.71/186,019.44
  6. Step 6: Final answer
    x = 145,524.05

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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.