Home / 153,480.45-229,185-125,455.26

Finding the Fourth Proportional to 153,480.45, 229,185 and 125,455.26

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Solution

The fourth proportional to 153,480.45, 229,185 and 125,455.26 is: 187,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,480.45 : 229,185 = 125,455.26 : x
  2. Step 2: Convert to fraction form
    153,480.45/229,185 = 125,455.26/x
  3. Step 3: Cross multiply
    153,480.45x = 229,185 × 125,455.26
  4. Step 4: Simplify right side
    153,480.45x = 28,752,463,763.10
  5. Step 5: Solve for x
    x = 28,752,463,763.10/153,480.45
  6. Step 6: Final answer
    x = 187,336.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.