Home / 144,305.04-216,459-50,811.60

Finding the Fourth Proportional to 144,305.04, 216,459 and 50,811.60

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Solution

The fourth proportional to 144,305.04, 216,459 and 50,811.60 is: 76,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,305.04 : 216,459 = 50,811.60 : x
  2. Step 2: Convert to fraction form
    144,305.04/216,459 = 50,811.60/x
  3. Step 3: Cross multiply
    144,305.04x = 216,459 × 50,811.60
  4. Step 4: Simplify right side
    144,305.04x = 10,998,628,124.40
  5. Step 5: Solve for x
    x = 10,998,628,124.40/144,305.04
  6. Step 6: Final answer
    x = 76,217.91

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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.