Home / 149,110.29-205,777.86-85,460.37

Finding the Fourth Proportional to 149,110.29, 205,777.86 and 85,460.37

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Solution

The fourth proportional to 149,110.29, 205,777.86 and 85,460.37 is: 117,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,110.29 : 205,777.86 = 85,460.37 : x
  2. Step 2: Convert to fraction form
    149,110.29/205,777.86 = 85,460.37/x
  3. Step 3: Cross multiply
    149,110.29x = 205,777.86 × 85,460.37
  4. Step 4: Simplify right side
    149,110.29x = 17,585,852,053.41
  5. Step 5: Solve for x
    x = 17,585,852,053.41/149,110.29
  6. Step 6: Final answer
    x = 117,938.55

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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.