Home / 101,504.28-140,073.06-56,181.12

Finding the Fourth Proportional to 101,504.28, 140,073.06 and 56,181.12

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Solution

The fourth proportional to 101,504.28, 140,073.06 and 56,181.12 is: 77,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,504.28 : 140,073.06 = 56,181.12 : x
  2. Step 2: Convert to fraction form
    101,504.28/140,073.06 = 56,181.12/x
  3. Step 3: Cross multiply
    101,504.28x = 140,073.06 × 56,181.12
  4. Step 4: Simplify right side
    101,504.28x = 7,869,461,392.63
  5. Step 5: Solve for x
    x = 7,869,461,392.63/101,504.28
  6. Step 6: Final answer
    x = 77,528.37

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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.