Home / 211,707.51-292,155.21-116,215.83

Finding the Fourth Proportional to 211,707.51, 292,155.21 and 116,215.83

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Solution

The fourth proportional to 211,707.51, 292,155.21 and 116,215.83 is: 160,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,707.51 : 292,155.21 = 116,215.83 : x
  2. Step 2: Convert to fraction form
    211,707.51/292,155.21 = 116,215.83/x
  3. Step 3: Cross multiply
    211,707.51x = 292,155.21 × 116,215.83
  4. Step 4: Simplify right side
    211,707.51x = 33,953,060,218.97
  5. Step 5: Solve for x
    x = 33,953,060,218.97/211,707.51
  6. Step 6: Final answer
    x = 160,377.21

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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.