Home / 230,230.23-317,633.45-139,520.76

Finding the Fourth Proportional to 230,230.23, 317,633.45 and 139,520.76

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Solution

The fourth proportional to 230,230.23, 317,633.45 and 139,520.76 is: 192,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,230.23 : 317,633.45 = 139,520.76 : x
  2. Step 2: Convert to fraction form
    230,230.23/317,633.45 = 139,520.76/x
  3. Step 3: Cross multiply
    230,230.23x = 317,633.45 × 139,520.76
  4. Step 4: Simplify right side
    230,230.23x = 44,316,459,647.82
  5. Step 5: Solve for x
    x = 44,316,459,647.82/230,230.23
  6. Step 6: Final answer
    x = 192,487.58

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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.