Home / 156,798.16-235,080.60-68,035.12

Finding the Fourth Proportional to 156,798.16, 235,080.60 and 68,035.12

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Solution

The fourth proportional to 156,798.16, 235,080.60 and 68,035.12 is: 102,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,798.16 : 235,080.60 = 68,035.12 : x
  2. Step 2: Convert to fraction form
    156,798.16/235,080.60 = 68,035.12/x
  3. Step 3: Cross multiply
    156,798.16x = 235,080.60 × 68,035.12
  4. Step 4: Simplify right side
    156,798.16x = 15,993,736,830.67
  5. Step 5: Solve for x
    x = 15,993,736,830.67/156,798.16
  6. Step 6: Final answer
    x = 102,002.07

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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.