Home / 211,066.10-291,271.09-126,182.90

Finding the Fourth Proportional to 211,066.10, 291,271.09 and 126,182.90

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Solution

The fourth proportional to 211,066.10, 291,271.09 and 126,182.90 is: 174,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,066.10 : 291,271.09 = 126,182.90 : x
  2. Step 2: Convert to fraction form
    211,066.10/291,271.09 = 126,182.90/x
  3. Step 3: Cross multiply
    211,066.10x = 291,271.09 × 126,182.90
  4. Step 4: Simplify right side
    211,066.10x = 36,753,430,822.36
  5. Step 5: Solve for x
    x = 36,753,430,822.36/211,066.10
  6. Step 6: Final answer
    x = 174,132.33

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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.