Home / 146,776.80-202,600.08-86,344.32

Finding the Fourth Proportional to 146,776.80, 202,600.08 and 86,344.32

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Solution

The fourth proportional to 146,776.80, 202,600.08 and 86,344.32 is: 119,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,776.80 : 202,600.08 = 86,344.32 : x
  2. Step 2: Convert to fraction form
    146,776.80/202,600.08 = 86,344.32/x
  3. Step 3: Cross multiply
    146,776.80x = 202,600.08 × 86,344.32
  4. Step 4: Simplify right side
    146,776.80x = 17,493,366,139.55
  5. Step 5: Solve for x
    x = 17,493,366,139.55/146,776.80
  6. Step 6: Final answer
    x = 119,183.46

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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.