Home / 159,151.04-219,628.32-87,532.16

Finding the Fourth Proportional to 159,151.04, 219,628.32 and 87,532.16

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Solution

The fourth proportional to 159,151.04, 219,628.32 and 87,532.16 is: 120,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,151.04 : 219,628.32 = 87,532.16 : x
  2. Step 2: Convert to fraction form
    159,151.04/219,628.32 = 87,532.16/x
  3. Step 3: Cross multiply
    159,151.04x = 219,628.32 × 87,532.16
  4. Step 4: Simplify right side
    159,151.04x = 19,224,541,246.77
  5. Step 5: Solve for x
    x = 19,224,541,246.77/159,151.04
  6. Step 6: Final answer
    x = 120,794.32

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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.