Home / 211,291.06-291,452.13-172,585.12

Finding the Fourth Proportional to 211,291.06, 291,452.13 and 172,585.12

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Solution

The fourth proportional to 211,291.06, 291,452.13 and 172,585.12 is: 238,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,291.06 : 291,452.13 = 172,585.12 : x
  2. Step 2: Convert to fraction form
    211,291.06/291,452.13 = 172,585.12/x
  3. Step 3: Cross multiply
    211,291.06x = 291,452.13 × 172,585.12
  4. Step 4: Simplify right side
    211,291.06x = 50,300,300,830.31
  5. Step 5: Solve for x
    x = 50,300,300,830.31/211,291.06
  6. Step 6: Final answer
    x = 238,061.66

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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.