Home / 211,088.23-291,298.23-114,291.29

Finding the Fourth Proportional to 211,088.23, 291,298.23 and 114,291.29

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Solution

The fourth proportional to 211,088.23, 291,298.23 and 114,291.29 is: 157,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,088.23 : 291,298.23 = 114,291.29 : x
  2. Step 2: Convert to fraction form
    211,088.23/291,298.23 = 114,291.29/x
  3. Step 3: Cross multiply
    211,088.23x = 291,298.23 × 114,291.29
  4. Step 4: Simplify right side
    211,088.23x = 33,292,851,209.66
  5. Step 5: Solve for x
    x = 33,292,851,209.66/211,088.23
  6. Step 6: Final answer
    x = 157,720.08

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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.