Home / 143,175.08-197,680.48-89,484.23

Finding the Fourth Proportional to 143,175.08, 197,680.48 and 89,484.23

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Solution

The fourth proportional to 143,175.08, 197,680.48 and 89,484.23 is: 123,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,175.08 : 197,680.48 = 89,484.23 : x
  2. Step 2: Convert to fraction form
    143,175.08/197,680.48 = 89,484.23/x
  3. Step 3: Cross multiply
    143,175.08x = 197,680.48 × 89,484.23
  4. Step 4: Simplify right side
    143,175.08x = 17,689,285,809.32
  5. Step 5: Solve for x
    x = 17,689,285,809.32/143,175.08
  6. Step 6: Final answer
    x = 123,550.03

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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.