Home / 131,451.70-197,323.35-102,000.10

Finding the Fourth Proportional to 131,451.70, 197,323.35 and 102,000.10

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Solution

The fourth proportional to 131,451.70, 197,323.35 and 102,000.10 is: 153,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451.70 : 197,323.35 = 102,000.10 : x
  2. Step 2: Convert to fraction form
    131,451.70/197,323.35 = 102,000.10/x
  3. Step 3: Cross multiply
    131,451.70x = 197,323.35 × 102,000.10
  4. Step 4: Simplify right side
    131,451.70x = 20,127,001,432.34
  5. Step 5: Solve for x
    x = 20,127,001,432.34/131,451.70
  6. Step 6: Final answer
    x = 153,113.28

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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.