Home / 146,587.38-202,295.55-86,157.15

Finding the Fourth Proportional to 146,587.38, 202,295.55 and 86,157.15

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Solution

The fourth proportional to 146,587.38, 202,295.55 and 86,157.15 is: 118,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,587.38 : 202,295.55 = 86,157.15 : x
  2. Step 2: Convert to fraction form
    146,587.38/202,295.55 = 86,157.15/x
  3. Step 3: Cross multiply
    146,587.38x = 202,295.55 × 86,157.15
  4. Step 4: Simplify right side
    146,587.38x = 17,429,208,045.68
  5. Step 5: Solve for x
    x = 17,429,208,045.68/146,587.38
  6. Step 6: Final answer
    x = 118,899.79

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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.