Home / 156,202.17-215,559.14-84,582.32

Finding the Fourth Proportional to 156,202.17, 215,559.14 and 84,582.32

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Solution

The fourth proportional to 156,202.17, 215,559.14 and 84,582.32 is: 116,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,202.17 : 215,559.14 = 84,582.32 : x
  2. Step 2: Convert to fraction form
    156,202.17/215,559.14 = 84,582.32/x
  3. Step 3: Cross multiply
    156,202.17x = 215,559.14 × 84,582.32
  4. Step 4: Simplify right side
    156,202.17x = 18,232,490,657.70
  5. Step 5: Solve for x
    x = 18,232,490,657.70/156,202.17
  6. Step 6: Final answer
    x = 116,723.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.