Home / 145,943.48-218,928.18-52,475.96

Finding the Fourth Proportional to 145,943.48, 218,928.18 and 52,475.96

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Solution

The fourth proportional to 145,943.48, 218,928.18 and 52,475.96 is: 78,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,943.48 : 218,928.18 = 52,475.96 : x
  2. Step 2: Convert to fraction form
    145,943.48/218,928.18 = 52,475.96/x
  3. Step 3: Cross multiply
    145,943.48x = 218,928.18 × 52,475.96
  4. Step 4: Simplify right side
    145,943.48x = 11,488,466,416.55
  5. Step 5: Solve for x
    x = 11,488,466,416.55/145,943.48
  6. Step 6: Final answer
    x = 78,718.60

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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.