Home / 159,151.32-219,628.90-87,536.20

Finding the Fourth Proportional to 159,151.32, 219,628.90 and 87,536.20

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Solution

The fourth proportional to 159,151.32, 219,628.90 and 87,536.20 is: 120,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,151.32 : 219,628.90 = 87,536.20 : x
  2. Step 2: Convert to fraction form
    159,151.32/219,628.90 = 87,536.20/x
  3. Step 3: Cross multiply
    159,151.32x = 219,628.90 × 87,536.20
  4. Step 4: Simplify right side
    159,151.32x = 19,225,479,316.18
  5. Step 5: Solve for x
    x = 19,225,479,316.18/159,151.32
  6. Step 6: Final answer
    x = 120,800.00

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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.