Home / 163,600.10-245,108.55-133,856.90

Finding the Fourth Proportional to 163,600.10, 245,108.55 and 133,856.90

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Solution

The fourth proportional to 163,600.10, 245,108.55 and 133,856.90 is: 200,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.10 : 245,108.55 = 133,856.90 : x
  2. Step 2: Convert to fraction form
    163,600.10/245,108.55 = 133,856.90/x
  3. Step 3: Cross multiply
    163,600.10x = 245,108.55 × 133,856.90
  4. Step 4: Simplify right side
    163,600.10x = 32,809,470,666.50
  5. Step 5: Solve for x
    x = 32,809,470,666.50/163,600.10
  6. Step 6: Final answer
    x = 200,546.76

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1.5x scale

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.