Home / 495,228.72-742,564.26-158,190.18

Finding the Fourth Proportional to 495,228.72, 742,564.26 and 158,190.18

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Solution

The fourth proportional to 495,228.72, 742,564.26 and 158,190.18 is: 237,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,228.72 : 742,564.26 = 158,190.18 : x
  2. Step 2: Convert to fraction form
    495,228.72/742,564.26 = 158,190.18/x
  3. Step 3: Cross multiply
    495,228.72x = 742,564.26 × 158,190.18
  4. Step 4: Simplify right side
    495,228.72x = 117,466,373,950.97
  5. Step 5: Solve for x
    x = 117,466,373,950.97/495,228.72
  6. Step 6: Final answer
    x = 237,196.21

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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.