Home / 211,183.19-291,432.80-126,300.25

Finding the Fourth Proportional to 211,183.19, 291,432.80 and 126,300.25

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Solution

The fourth proportional to 211,183.19, 291,432.80 and 126,300.25 is: 174,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,183.19 : 291,432.80 = 126,300.25 : x
  2. Step 2: Convert to fraction form
    211,183.19/291,432.80 = 126,300.25/x
  3. Step 3: Cross multiply
    211,183.19x = 291,432.80 × 126,300.25
  4. Step 4: Simplify right side
    211,183.19x = 36,808,035,498.20
  5. Step 5: Solve for x
    x = 36,808,035,498.20/211,183.19
  6. Step 6: Final answer
    x = 174,294.34

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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.