Home / 144,302.92-199,009.10-90,592.94

Finding the Fourth Proportional to 144,302.92, 199,009.10 and 90,592.94

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Solution

The fourth proportional to 144,302.92, 199,009.10 and 90,592.94 is: 124,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,302.92 : 199,009.10 = 90,592.94 : x
  2. Step 2: Convert to fraction form
    144,302.92/199,009.10 = 90,592.94/x
  3. Step 3: Cross multiply
    144,302.92x = 199,009.10 × 90,592.94
  4. Step 4: Simplify right side
    144,302.92x = 18,028,820,179.76
  5. Step 5: Solve for x
    x = 18,028,820,179.76/144,302.92
  6. Step 6: Final answer
    x = 124,937.32

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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.