Home / 211,206.44-316,776.54-69,050.72

Finding the Fourth Proportional to 211,206.44, 316,776.54 and 69,050.72

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Solution

The fourth proportional to 211,206.44, 316,776.54 and 69,050.72 is: 103,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,206.44 : 316,776.54 = 69,050.72 : x
  2. Step 2: Convert to fraction form
    211,206.44/316,776.54 = 69,050.72/x
  3. Step 3: Cross multiply
    211,206.44x = 316,776.54 × 69,050.72
  4. Step 4: Simplify right side
    211,206.44x = 21,873,648,166.11
  5. Step 5: Solve for x
    x = 21,873,648,166.11/211,206.44
  6. Step 6: Final answer
    x = 103,565.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.