Home / 211,154.72-316,752.18-59,351.40

Finding the Fourth Proportional to 211,154.72, 316,752.18 and 59,351.40

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Solution

The fourth proportional to 211,154.72, 316,752.18 and 59,351.40 is: 89,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,154.72 : 316,752.18 = 59,351.40 : x
  2. Step 2: Convert to fraction form
    211,154.72/316,752.18 = 59,351.40/x
  3. Step 3: Cross multiply
    211,154.72x = 316,752.18 × 59,351.40
  4. Step 4: Simplify right side
    211,154.72x = 18,799,685,113.48
  5. Step 5: Solve for x
    x = 18,799,685,113.48/211,154.72
  6. Step 6: Final answer
    x = 89,032.75

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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.