Home / 123,175.86-169,982-69,461.32

Finding the Fourth Proportional to 123,175.86, 169,982 and 69,461.32

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Solution

The fourth proportional to 123,175.86, 169,982 and 69,461.32 is: 95,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,175.86 : 169,982 = 69,461.32 : x
  2. Step 2: Convert to fraction form
    123,175.86/169,982 = 69,461.32/x
  3. Step 3: Cross multiply
    123,175.86x = 169,982 × 69,461.32
  4. Step 4: Simplify right side
    123,175.86x = 11,807,174,096.24
  5. Step 5: Solve for x
    x = 11,807,174,096.24/123,175.86
  6. Step 6: Final answer
    x = 95,856.23

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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.