Home / 158,241.60-237,398.40-47,430.72

Finding the Fourth Proportional to 158,241.60, 237,398.40 and 47,430.72

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Solution

The fourth proportional to 158,241.60, 237,398.40 and 47,430.72 is: 71,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,241.60 : 237,398.40 = 47,430.72 : x
  2. Step 2: Convert to fraction form
    158,241.60/237,398.40 = 47,430.72/x
  3. Step 3: Cross multiply
    158,241.60x = 237,398.40 × 47,430.72
  4. Step 4: Simplify right side
    158,241.60x = 11,259,977,038.85
  5. Step 5: Solve for x
    x = 11,259,977,038.85/158,241.60
  6. Step 6: Final answer
    x = 71,156.87

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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.