Home / 123,533.08-170,482.50-69,820.36

Finding the Fourth Proportional to 123,533.08, 170,482.50 and 69,820.36

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Solution

The fourth proportional to 123,533.08, 170,482.50 and 69,820.36 is: 96,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,533.08 : 170,482.50 = 69,820.36 : x
  2. Step 2: Convert to fraction form
    123,533.08/170,482.50 = 69,820.36/x
  3. Step 3: Cross multiply
    123,533.08x = 170,482.50 × 69,820.36
  4. Step 4: Simplify right side
    123,533.08x = 11,903,149,523.70
  5. Step 5: Solve for x
    x = 11,903,149,523.70/123,533.08
  6. Step 6: Final answer
    x = 96,355.97

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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.