Home / 118,520.24-163,560.84-64,807.52

Finding the Fourth Proportional to 118,520.24, 163,560.84 and 64,807.52

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Solution

The fourth proportional to 118,520.24, 163,560.84 and 64,807.52 is: 89,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,520.24 : 163,560.84 = 64,807.52 : x
  2. Step 2: Convert to fraction form
    118,520.24/163,560.84 = 64,807.52/x
  3. Step 3: Cross multiply
    118,520.24x = 163,560.84 × 64,807.52
  4. Step 4: Simplify right side
    118,520.24x = 10,599,972,409.52
  5. Step 5: Solve for x
    x = 10,599,972,409.52/118,520.24
  6. Step 6: Final answer
    x = 89,435.97

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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.