Home / 460,094.40-690,163.20-144,561.60

Finding the Fourth Proportional to 460,094.40, 690,163.20 and 144,561.60

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Solution

The fourth proportional to 460,094.40, 690,163.20 and 144,561.60 is: 216,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,094.40 : 690,163.20 = 144,561.60 : x
  2. Step 2: Convert to fraction form
    460,094.40/690,163.20 = 144,561.60/x
  3. Step 3: Cross multiply
    460,094.40x = 690,163.20 × 144,561.60
  4. Step 4: Simplify right side
    460,094.40x = 99,771,096,453.12
  5. Step 5: Solve for x
    x = 99,771,096,453.12/460,094.40
  6. Step 6: Final answer
    x = 216,849.19

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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.