Home / 101,086.31-151,603.51-29,992.13

Finding the Fourth Proportional to 101,086.31, 151,603.51 and 29,992.13

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Solution

The fourth proportional to 101,086.31, 151,603.51 and 29,992.13 is: 44,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,086.31 : 151,603.51 = 29,992.13 : x
  2. Step 2: Convert to fraction form
    101,086.31/151,603.51 = 29,992.13/x
  3. Step 3: Cross multiply
    101,086.31x = 151,603.51 × 29,992.13
  4. Step 4: Simplify right side
    101,086.31x = 4,546,911,272.40
  5. Step 5: Solve for x
    x = 4,546,911,272.40/101,086.31
  6. Step 6: Final answer
    x = 44,980.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.