Home / 159,533.30-220,165.62-87,913.26

Finding the Fourth Proportional to 159,533.30, 220,165.62 and 87,913.26

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Solution

The fourth proportional to 159,533.30, 220,165.62 and 87,913.26 is: 121,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,533.30 : 220,165.62 = 87,913.26 : x
  2. Step 2: Convert to fraction form
    159,533.30/220,165.62 = 87,913.26/x
  3. Step 3: Cross multiply
    159,533.30x = 220,165.62 × 87,913.26
  4. Step 4: Simplify right side
    159,533.30x = 19,355,477,394.12
  5. Step 5: Solve for x
    x = 19,355,477,394.12/159,533.30
  6. Step 6: Final answer
    x = 121,325.63

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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.