Home / 145,391.18-217,997.46-56,541.11

Finding the Fourth Proportional to 145,391.18, 217,997.46 and 56,541.11

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Solution

The fourth proportional to 145,391.18, 217,997.46 and 56,541.11 is: 84,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,391.18 : 217,997.46 = 56,541.11 : x
  2. Step 2: Convert to fraction form
    145,391.18/217,997.46 = 56,541.11/x
  3. Step 3: Cross multiply
    145,391.18x = 217,997.46 × 56,541.11
  4. Step 4: Simplify right side
    145,391.18x = 12,325,817,275.59
  5. Step 5: Solve for x
    x = 12,325,817,275.59/145,391.18
  6. Step 6: Final answer
    x = 84,776.93

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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.