Home / 146,686.24-202,427.40-79,618.24

Finding the Fourth Proportional to 146,686.24, 202,427.40 and 79,618.24

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Solution

The fourth proportional to 146,686.24, 202,427.40 and 79,618.24 is: 109,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,686.24 : 202,427.40 = 79,618.24 : x
  2. Step 2: Convert to fraction form
    146,686.24/202,427.40 = 79,618.24/x
  3. Step 3: Cross multiply
    146,686.24x = 202,427.40 × 79,618.24
  4. Step 4: Simplify right side
    146,686.24x = 16,116,913,315.78
  5. Step 5: Solve for x
    x = 16,116,913,315.78/146,686.24
  6. Step 6: Final answer
    x = 109,873.38

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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.