Home / 101,606.40-140,206.14-56,283.30

Finding the Fourth Proportional to 101,606.40, 140,206.14 and 56,283.30

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Solution

The fourth proportional to 101,606.40, 140,206.14 and 56,283.30 is: 77,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,606.40 : 140,206.14 = 56,283.30 : x
  2. Step 2: Convert to fraction form
    101,606.40/140,206.14 = 56,283.30/x
  3. Step 3: Cross multiply
    101,606.40x = 140,206.14 × 56,283.30
  4. Step 4: Simplify right side
    101,606.40x = 7,891,264,239.46
  5. Step 5: Solve for x
    x = 7,891,264,239.46/101,606.40
  6. Step 6: Final answer
    x = 77,665.03

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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.