Home / 123,840.34-170,898.14-67,252.12

Finding the Fourth Proportional to 123,840.34, 170,898.14 and 67,252.12

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Solution

The fourth proportional to 123,840.34, 170,898.14 and 67,252.12 is: 92,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,840.34 : 170,898.14 = 67,252.12 : x
  2. Step 2: Convert to fraction form
    123,840.34/170,898.14 = 67,252.12/x
  3. Step 3: Cross multiply
    123,840.34x = 170,898.14 × 67,252.12
  4. Step 4: Simplify right side
    123,840.34x = 11,493,262,219.06
  5. Step 5: Solve for x
    x = 11,493,262,219.06/123,840.34
  6. Step 6: Final answer
    x = 92,807.10

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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.