Home / 211,379.10-291,548.61-134,950.74

Finding the Fourth Proportional to 211,379.10, 291,548.61 and 134,950.74

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Solution

The fourth proportional to 211,379.10, 291,548.61 and 134,950.74 is: 186,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,379.10 : 291,548.61 = 134,950.74 : x
  2. Step 2: Convert to fraction form
    211,379.10/291,548.61 = 134,950.74/x
  3. Step 3: Cross multiply
    211,379.10x = 291,548.61 × 134,950.74
  4. Step 4: Simplify right side
    211,379.10x = 39,344,700,665.47
  5. Step 5: Solve for x
    x = 39,344,700,665.47/211,379.10
  6. Step 6: Final answer
    x = 186,133.35

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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.