Home / 230,185.60-317,672.09-139,545.39

Finding the Fourth Proportional to 230,185.60, 317,672.09 and 139,545.39

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Solution

The fourth proportional to 230,185.60, 317,672.09 and 139,545.39 is: 192,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,185.60 : 317,672.09 = 139,545.39 : x
  2. Step 2: Convert to fraction form
    230,185.60/317,672.09 = 139,545.39/x
  3. Step 3: Cross multiply
    230,185.60x = 317,672.09 × 139,545.39
  4. Step 4: Simplify right side
    230,185.60x = 44,329,675,691.17
  5. Step 5: Solve for x
    x = 44,329,675,691.17/230,185.60
  6. Step 6: Final answer
    x = 192,582.31

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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.