Home / 373,139.12-559,703.50-223,420.74

Finding the Fourth Proportional to 373,139.12, 559,703.50 and 223,420.74

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Solution

The fourth proportional to 373,139.12, 559,703.50 and 223,420.74 is: 335,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,139.12 : 559,703.50 = 223,420.74 : x
  2. Step 2: Convert to fraction form
    373,139.12/559,703.50 = 223,420.74/x
  3. Step 3: Cross multiply
    373,139.12x = 559,703.50 × 223,420.74
  4. Step 4: Simplify right side
    373,139.12x = 125,049,370,150.59
  5. Step 5: Solve for x
    x = 125,049,370,150.59/373,139.12
  6. Step 6: Final answer
    x = 335,128.01

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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.