Home / 211,539.72-291,923.18-116,045.76

Finding the Fourth Proportional to 211,539.72, 291,923.18 and 116,045.76

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Solution

The fourth proportional to 211,539.72, 291,923.18 and 116,045.76 is: 160,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,539.72 : 291,923.18 = 116,045.76 : x
  2. Step 2: Convert to fraction form
    211,539.72/291,923.18 = 116,045.76/x
  3. Step 3: Cross multiply
    211,539.72x = 291,923.18 × 116,045.76
  4. Step 4: Simplify right side
    211,539.72x = 33,876,447,284.72
  5. Step 5: Solve for x
    x = 33,876,447,284.72/211,539.72
  6. Step 6: Final answer
    x = 160,142.25

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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.