Home / 118,533.70-163,563.08-70,137.10

Finding the Fourth Proportional to 118,533.70, 163,563.08 and 70,137.10

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Solution

The fourth proportional to 118,533.70, 163,563.08 and 70,137.10 is: 96,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,533.70 : 163,563.08 = 70,137.10 : x
  2. Step 2: Convert to fraction form
    118,533.70/163,563.08 = 70,137.10/x
  3. Step 3: Cross multiply
    118,533.70x = 163,563.08 × 70,137.10
  4. Step 4: Simplify right side
    118,533.70x = 11,471,840,098.27
  5. Step 5: Solve for x
    x = 11,471,840,098.27/118,533.70
  6. Step 6: Final answer
    x = 96,781.25

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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.