Home / 172,267.36-237,742.26-103,359.40

Finding the Fourth Proportional to 172,267.36, 237,742.26 and 103,359.40

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Solution

The fourth proportional to 172,267.36, 237,742.26 and 103,359.40 is: 142,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,267.36 : 237,742.26 = 103,359.40 : x
  2. Step 2: Convert to fraction form
    172,267.36/237,742.26 = 103,359.40/x
  3. Step 3: Cross multiply
    172,267.36x = 237,742.26 × 103,359.40
  4. Step 4: Simplify right side
    172,267.36x = 24,572,897,348.24
  5. Step 5: Solve for x
    x = 24,572,897,348.24/172,267.36
  6. Step 6: Final answer
    x = 142,643.95

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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.