Home / 104,631.40-156,947.10-64,682.20

Finding the Fourth Proportional to 104,631.40, 156,947.10 and 64,682.20

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Solution

The fourth proportional to 104,631.40, 156,947.10 and 64,682.20 is: 97,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.40 : 156,947.10 = 64,682.20 : x
  2. Step 2: Convert to fraction form
    104,631.40/156,947.10 = 64,682.20/x
  3. Step 3: Cross multiply
    104,631.40x = 156,947.10 × 64,682.20
  4. Step 4: Simplify right side
    104,631.40x = 10,151,683,711.62
  5. Step 5: Solve for x
    x = 10,151,683,711.62/104,631.40
  6. Step 6: Final answer
    x = 97,023.30

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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.