Home / 211,175.64-291,407.22-115,666.92

Finding the Fourth Proportional to 211,175.64, 291,407.22 and 115,666.92

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Solution

The fourth proportional to 211,175.64, 291,407.22 and 115,666.92 is: 159,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,175.64 : 291,407.22 = 115,666.92 : x
  2. Step 2: Convert to fraction form
    211,175.64/291,407.22 = 115,666.92/x
  3. Step 3: Cross multiply
    211,175.64x = 291,407.22 × 115,666.92
  4. Step 4: Simplify right side
    211,175.64x = 33,706,175,603.16
  5. Step 5: Solve for x
    x = 33,706,175,603.16/211,175.64
  6. Step 6: Final answer
    x = 159,612.04

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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.