Home / 156,734.10-235,101.15-112,775.40

Finding the Fourth Proportional to 156,734.10, 235,101.15 and 112,775.40

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Solution

The fourth proportional to 156,734.10, 235,101.15 and 112,775.40 is: 169,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734.10 : 235,101.15 = 112,775.40 : x
  2. Step 2: Convert to fraction form
    156,734.10/235,101.15 = 112,775.40/x
  3. Step 3: Cross multiply
    156,734.10x = 235,101.15 × 112,775.40
  4. Step 4: Simplify right side
    156,734.10x = 26,513,626,231.71
  5. Step 5: Solve for x
    x = 26,513,626,231.71/156,734.10
  6. Step 6: Final answer
    x = 169,163.10

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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.