Home / 145,681.53-218,469.33-50,885.16

Finding the Fourth Proportional to 145,681.53, 218,469.33 and 50,885.16

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Solution

The fourth proportional to 145,681.53, 218,469.33 and 50,885.16 is: 76,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,681.53 : 218,469.33 = 50,885.16 : x
  2. Step 2: Convert to fraction form
    145,681.53/218,469.33 = 50,885.16/x
  3. Step 3: Cross multiply
    145,681.53x = 218,469.33 × 50,885.16
  4. Step 4: Simplify right side
    145,681.53x = 11,116,846,812.14
  5. Step 5: Solve for x
    x = 11,116,846,812.14/145,681.53
  6. Step 6: Final answer
    x = 76,309.24

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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.