Home / 145,252.20-217,955.70-56,508.60

Finding the Fourth Proportional to 145,252.20, 217,955.70 and 56,508.60

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Solution

The fourth proportional to 145,252.20, 217,955.70 and 56,508.60 is: 84,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252.20 : 217,955.70 = 56,508.60 : x
  2. Step 2: Convert to fraction form
    145,252.20/217,955.70 = 56,508.60/x
  3. Step 3: Cross multiply
    145,252.20x = 217,955.70 × 56,508.60
  4. Step 4: Simplify right side
    145,252.20x = 12,316,371,469.02
  5. Step 5: Solve for x
    x = 12,316,371,469.02/145,252.20
  6. Step 6: Final answer
    x = 84,793.01

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1.5x scale

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.