Home / 145,160.34-217,655.76-56,310.02

Finding the Fourth Proportional to 145,160.34, 217,655.76 and 56,310.02

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Solution

The fourth proportional to 145,160.34, 217,655.76 and 56,310.02 is: 84,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160.34 : 217,655.76 = 56,310.02 : x
  2. Step 2: Convert to fraction form
    145,160.34/217,655.76 = 56,310.02/x
  3. Step 3: Cross multiply
    145,160.34x = 217,655.76 × 56,310.02
  4. Step 4: Simplify right side
    145,160.34x = 12,256,200,198.72
  5. Step 5: Solve for x
    x = 12,256,200,198.72/145,160.34
  6. Step 6: Final answer
    x = 84,432.15

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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.