Home / 211,095.04-316,565.88-61,294.72

Finding the Fourth Proportional to 211,095.04, 316,565.88 and 61,294.72

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Solution

The fourth proportional to 211,095.04, 316,565.88 and 61,294.72 is: 91,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,095.04 : 316,565.88 = 61,294.72 : x
  2. Step 2: Convert to fraction form
    211,095.04/316,565.88 = 61,294.72/x
  3. Step 3: Cross multiply
    211,095.04x = 316,565.88 × 61,294.72
  4. Step 4: Simplify right side
    211,095.04x = 19,403,816,976.15
  5. Step 5: Solve for x
    x = 19,403,816,976.15/211,095.04
  6. Step 6: Final answer
    x = 91,919.81

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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.