Home / 159,192.14-219,688.54-87,572.16

Finding the Fourth Proportional to 159,192.14, 219,688.54 and 87,572.16

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Solution

The fourth proportional to 159,192.14, 219,688.54 and 87,572.16 is: 120,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,192.14 : 219,688.54 = 87,572.16 : x
  2. Step 2: Convert to fraction form
    159,192.14/219,688.54 = 87,572.16/x
  3. Step 3: Cross multiply
    159,192.14x = 219,688.54 × 87,572.16
  4. Step 4: Simplify right side
    159,192.14x = 19,238,599,975.05
  5. Step 5: Solve for x
    x = 19,238,599,975.05/159,192.14
  6. Step 6: Final answer
    x = 120,851.44

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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.