Home / 156,856.86-235,153.86-109,332.54

Finding the Fourth Proportional to 156,856.86, 235,153.86 and 109,332.54

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Solution

The fourth proportional to 156,856.86, 235,153.86 and 109,332.54 is: 163,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,856.86 : 235,153.86 = 109,332.54 : x
  2. Step 2: Convert to fraction form
    156,856.86/235,153.86 = 109,332.54/x
  3. Step 3: Cross multiply
    156,856.86x = 235,153.86 × 109,332.54
  4. Step 4: Simplify right side
    156,856.86x = 25,709,968,804.60
  5. Step 5: Solve for x
    x = 25,709,968,804.60/156,856.86
  6. Step 6: Final answer
    x = 163,907.20

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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.