Home / 389,154.35-583,700.44-173,080.07

Finding the Fourth Proportional to 389,154.35, 583,700.44 and 173,080.07

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Solution

The fourth proportional to 389,154.35, 583,700.44 and 173,080.07 is: 259,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,154.35 : 583,700.44 = 173,080.07 : x
  2. Step 2: Convert to fraction form
    389,154.35/583,700.44 = 173,080.07/x
  3. Step 3: Cross multiply
    389,154.35x = 583,700.44 × 173,080.07
  4. Step 4: Simplify right side
    389,154.35x = 101,026,913,014.23
  5. Step 5: Solve for x
    x = 101,026,913,014.23/389,154.35
  6. Step 6: Final answer
    x = 259,606.28

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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.