Home / 103,666.41-155,557.01-96,137.65

Finding the Fourth Proportional to 103,666.41, 155,557.01 and 96,137.65

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Solution

The fourth proportional to 103,666.41, 155,557.01 and 96,137.65 is: 144,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.41 : 155,557.01 = 96,137.65 : x
  2. Step 2: Convert to fraction form
    103,666.41/155,557.01 = 96,137.65/x
  3. Step 3: Cross multiply
    103,666.41x = 155,557.01 × 96,137.65
  4. Step 4: Simplify right side
    103,666.41x = 14,954,885,382.43
  5. Step 5: Solve for x
    x = 14,954,885,382.43/103,666.41
  6. Step 6: Final answer
    x = 144,259.70

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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.