Home / 96,664.80-144,997.20-89,666.40

Finding the Fourth Proportional to 96,664.80, 144,997.20 and 89,666.40

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Solution

The fourth proportional to 96,664.80, 144,997.20 and 89,666.40 is: 134,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,664.80 : 144,997.20 = 89,666.40 : x
  2. Step 2: Convert to fraction form
    96,664.80/144,997.20 = 89,666.40/x
  3. Step 3: Cross multiply
    96,664.80x = 144,997.20 × 89,666.40
  4. Step 4: Simplify right side
    96,664.80x = 13,001,376,934.08
  5. Step 5: Solve for x
    x = 13,001,376,934.08/96,664.80
  6. Step 6: Final answer
    x = 134,499.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.