Home / 161,856.10-242,524.95-102,585.70

Finding the Fourth Proportional to 161,856.10, 242,524.95 and 102,585.70

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Solution

The fourth proportional to 161,856.10, 242,524.95 and 102,585.70 is: 153,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856.10 : 242,524.95 = 102,585.70 : x
  2. Step 2: Convert to fraction form
    161,856.10/242,524.95 = 102,585.70/x
  3. Step 3: Cross multiply
    161,856.10x = 242,524.95 × 102,585.70
  4. Step 4: Simplify right side
    161,856.10x = 24,879,591,763.22
  5. Step 5: Solve for x
    x = 24,879,591,763.22/161,856.10
  6. Step 6: Final answer
    x = 153,714.27

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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.