Home / 317,117.07-437,625.81-173,876.76

Finding the Fourth Proportional to 317,117.07, 437,625.81 and 173,876.76

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Solution

The fourth proportional to 317,117.07, 437,625.81 and 173,876.76 is: 239,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,117.07 : 437,625.81 = 173,876.76 : x
  2. Step 2: Convert to fraction form
    317,117.07/437,625.81 = 173,876.76/x
  3. Step 3: Cross multiply
    317,117.07x = 437,625.81 × 173,876.76
  4. Step 4: Simplify right side
    317,117.07x = 76,092,957,935.18
  5. Step 5: Solve for x
    x = 76,092,957,935.18/317,117.07
  6. Step 6: Final answer
    x = 239,952.26

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1.5x scale

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.