Home / 156,941.60-235,412.40-57,214.40

Finding the Fourth Proportional to 156,941.60, 235,412.40 and 57,214.40

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Solution

The fourth proportional to 156,941.60, 235,412.40 and 57,214.40 is: 85,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.60 : 235,412.40 = 57,214.40 : x
  2. Step 2: Convert to fraction form
    156,941.60/235,412.40 = 57,214.40/x
  3. Step 3: Cross multiply
    156,941.60x = 235,412.40 × 57,214.40
  4. Step 4: Simplify right side
    156,941.60x = 13,468,979,218.56
  5. Step 5: Solve for x
    x = 13,468,979,218.56/156,941.60
  6. Step 6: Final answer
    x = 85,821.60

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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.