Home / 156,886.40-235,183.80-109,501.40

Finding the Fourth Proportional to 156,886.40, 235,183.80 and 109,501.40

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Solution

The fourth proportional to 156,886.40, 235,183.80 and 109,501.40 is: 164,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,886.40 : 235,183.80 = 109,501.40 : x
  2. Step 2: Convert to fraction form
    156,886.40/235,183.80 = 109,501.40/x
  3. Step 3: Cross multiply
    156,886.40x = 235,183.80 × 109,501.40
  4. Step 4: Simplify right side
    156,886.40x = 25,752,955,357.32
  5. Step 5: Solve for x
    x = 25,752,955,357.32/156,886.40
  6. Step 6: Final answer
    x = 164,150.34

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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.