Home / 117,734.16-162,533.34-90,816.24

Finding the Fourth Proportional to 117,734.16, 162,533.34 and 90,816.24

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Solution

The fourth proportional to 117,734.16, 162,533.34 and 90,816.24 is: 125,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,734.16 : 162,533.34 = 90,816.24 : x
  2. Step 2: Convert to fraction form
    117,734.16/162,533.34 = 90,816.24/x
  3. Step 3: Cross multiply
    117,734.16x = 162,533.34 × 90,816.24
  4. Step 4: Simplify right side
    117,734.16x = 14,760,666,813.44
  5. Step 5: Solve for x
    x = 14,760,666,813.44/117,734.16
  6. Step 6: Final answer
    x = 125,372.85

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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.