Home / 101,519.31-140,094.59-56,197.32

Finding the Fourth Proportional to 101,519.31, 140,094.59 and 56,197.32

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Solution

The fourth proportional to 101,519.31, 140,094.59 and 56,197.32 is: 77,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.31 : 140,094.59 = 56,197.32 : x
  2. Step 2: Convert to fraction form
    101,519.31/140,094.59 = 56,197.32/x
  3. Step 3: Cross multiply
    101,519.31x = 140,094.59 × 56,197.32
  4. Step 4: Simplify right side
    101,519.31x = 7,872,940,504.50
  5. Step 5: Solve for x
    x = 7,872,940,504.50/101,519.31
  6. Step 6: Final answer
    x = 77,551.16

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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.