Home / 211,202.33-291,738.71-157,393.93

Finding the Fourth Proportional to 211,202.33, 291,738.71 and 157,393.93

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Solution

The fourth proportional to 211,202.33, 291,738.71 and 157,393.93 is: 217,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,202.33 : 291,738.71 = 157,393.93 : x
  2. Step 2: Convert to fraction form
    211,202.33/291,738.71 = 157,393.93/x
  3. Step 3: Cross multiply
    211,202.33x = 291,738.71 × 157,393.93
  4. Step 4: Simplify right side
    211,202.33x = 45,917,901,764.17
  5. Step 5: Solve for x
    x = 45,917,901,764.17/211,202.33
  6. Step 6: Final answer
    x = 217,411.91

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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.