Home / 156,977.10-235,465.65-107,210.70

Finding the Fourth Proportional to 156,977.10, 235,465.65 and 107,210.70

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Solution

The fourth proportional to 156,977.10, 235,465.65 and 107,210.70 is: 160,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.10 : 235,465.65 = 107,210.70 : x
  2. Step 2: Convert to fraction form
    156,977.10/235,465.65 = 107,210.70/x
  3. Step 3: Cross multiply
    156,977.10x = 235,465.65 × 107,210.70
  4. Step 4: Simplify right side
    156,977.10x = 25,244,437,162.46
  5. Step 5: Solve for x
    x = 25,244,437,162.46/156,977.10
  6. Step 6: Final answer
    x = 160,816.05

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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.