Home / 227,345.10-313,605.98-142,314.54

Finding the Fourth Proportional to 227,345.10, 313,605.98 and 142,314.54

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Solution

The fourth proportional to 227,345.10, 313,605.98 and 142,314.54 is: 196,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,345.10 : 313,605.98 = 142,314.54 : x
  2. Step 2: Convert to fraction form
    227,345.10/313,605.98 = 142,314.54/x
  3. Step 3: Cross multiply
    227,345.10x = 313,605.98 × 142,314.54
  4. Step 4: Simplify right side
    227,345.10x = 44,630,689,431.03
  5. Step 5: Solve for x
    x = 44,630,689,431.03/227,345.10
  6. Step 6: Final answer
    x = 196,312.52

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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.