Home / 104,153.10-143,623.80-89,095.62

Finding the Fourth Proportional to 104,153.10, 143,623.80 and 89,095.62

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Solution

The fourth proportional to 104,153.10, 143,623.80 and 89,095.62 is: 122,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.10 : 143,623.80 = 89,095.62 : x
  2. Step 2: Convert to fraction form
    104,153.10/143,623.80 = 89,095.62/x
  3. Step 3: Cross multiply
    104,153.10x = 143,623.80 × 89,095.62
  4. Step 4: Simplify right side
    104,153.10x = 12,796,251,507.76
  5. Step 5: Solve for x
    x = 12,796,251,507.76/104,153.10
  6. Step 6: Final answer
    x = 122,860.02

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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.