Home / 230,254.19-317,663.45-139,577.09

Finding the Fourth Proportional to 230,254.19, 317,663.45 and 139,577.09

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Solution

The fourth proportional to 230,254.19, 317,663.45 and 139,577.09 is: 192,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,254.19 : 317,663.45 = 139,577.09 : x
  2. Step 2: Convert to fraction form
    230,254.19/317,663.45 = 139,577.09/x
  3. Step 3: Cross multiply
    230,254.19x = 317,663.45 × 139,577.09
  4. Step 4: Simplify right side
    230,254.19x = 44,338,539,252.48
  5. Step 5: Solve for x
    x = 44,338,539,252.48/230,254.19
  6. Step 6: Final answer
    x = 192,563.44

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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.