Home / 145,156.04-217,632-56,334.68

Finding the Fourth Proportional to 145,156.04, 217,632 and 56,334.68

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Solution

The fourth proportional to 145,156.04, 217,632 and 56,334.68 is: 84,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156.04 : 217,632 = 56,334.68 : x
  2. Step 2: Convert to fraction form
    145,156.04/217,632 = 56,334.68/x
  3. Step 3: Cross multiply
    145,156.04x = 217,632 × 56,334.68
  4. Step 4: Simplify right side
    145,156.04x = 12,260,229,077.76
  5. Step 5: Solve for x
    x = 12,260,229,077.76/145,156.04
  6. Step 6: Final answer
    x = 84,462.41

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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.