Home / 389,154.36-583,700.44-173,080.06

Finding the Fourth Proportional to 389,154.36, 583,700.44 and 173,080.06

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Solution

The fourth proportional to 389,154.36, 583,700.44 and 173,080.06 is: 259,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,154.36 : 583,700.44 = 173,080.06 : x
  2. Step 2: Convert to fraction form
    389,154.36/583,700.44 = 173,080.06/x
  3. Step 3: Cross multiply
    389,154.36x = 583,700.44 × 173,080.06
  4. Step 4: Simplify right side
    389,154.36x = 101,026,907,177.23
  5. Step 5: Solve for x
    x = 101,026,907,177.23/389,154.36
  6. Step 6: Final answer
    x = 259,606.26

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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.