Home / 216,428.12-298,661.47-119,626.95

Finding the Fourth Proportional to 216,428.12, 298,661.47 and 119,626.95

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Solution

The fourth proportional to 216,428.12, 298,661.47 and 119,626.95 is: 165,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,428.12 : 298,661.47 = 119,626.95 : x
  2. Step 2: Convert to fraction form
    216,428.12/298,661.47 = 119,626.95/x
  3. Step 3: Cross multiply
    216,428.12x = 298,661.47 × 119,626.95
  4. Step 4: Simplify right side
    216,428.12x = 35,727,960,738.62
  5. Step 5: Solve for x
    x = 35,727,960,738.62/216,428.12
  6. Step 6: Final answer
    x = 165,080.03

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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.