Home / 211,095.10-316,659.05-61,337.54

Finding the Fourth Proportional to 211,095.10, 316,659.05 and 61,337.54

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Solution

The fourth proportional to 211,095.10, 316,659.05 and 61,337.54 is: 92,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,095.10 : 316,659.05 = 61,337.54 : x
  2. Step 2: Convert to fraction form
    211,095.10/316,659.05 = 61,337.54/x
  3. Step 3: Cross multiply
    211,095.10x = 316,659.05 × 61,337.54
  4. Step 4: Simplify right side
    211,095.10x = 19,423,087,145.74
  5. Step 5: Solve for x
    x = 19,423,087,145.74/211,095.10
  6. Step 6: Final answer
    x = 92,011.08

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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.