Home / 156,734.70-235,102.05-134,184.30

Finding the Fourth Proportional to 156,734.70, 235,102.05 and 134,184.30

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Solution

The fourth proportional to 156,734.70, 235,102.05 and 134,184.30 is: 201,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734.70 : 235,102.05 = 134,184.30 : x
  2. Step 2: Convert to fraction form
    156,734.70/235,102.05 = 134,184.30/x
  3. Step 3: Cross multiply
    156,734.70x = 235,102.05 × 134,184.30
  4. Step 4: Simplify right side
    156,734.70x = 31,547,004,007.82
  5. Step 5: Solve for x
    x = 31,547,004,007.82/156,734.70
  6. Step 6: Final answer
    x = 201,276.45

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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.