Home / 156,690.10-235,035.15-119,365.30

Finding the Fourth Proportional to 156,690.10, 235,035.15 and 119,365.30

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Solution

The fourth proportional to 156,690.10, 235,035.15 and 119,365.30 is: 179,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690.10 : 235,035.15 = 119,365.30 : x
  2. Step 2: Convert to fraction form
    156,690.10/235,035.15 = 119,365.30/x
  3. Step 3: Cross multiply
    156,690.10x = 235,035.15 × 119,365.30
  4. Step 4: Simplify right side
    156,690.10x = 28,055,041,190.30
  5. Step 5: Solve for x
    x = 28,055,041,190.30/156,690.10
  6. Step 6: Final answer
    x = 179,047.95

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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.