Home / 216,954.03-299,426.46-130,917.45

Finding the Fourth Proportional to 216,954.03, 299,426.46 and 130,917.45

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Solution

The fourth proportional to 216,954.03, 299,426.46 and 130,917.45 is: 180,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,954.03 : 299,426.46 = 130,917.45 : x
  2. Step 2: Convert to fraction form
    216,954.03/299,426.46 = 130,917.45/x
  3. Step 3: Cross multiply
    216,954.03x = 299,426.46 × 130,917.45
  4. Step 4: Simplify right side
    216,954.03x = 39,200,148,605.73
  5. Step 5: Solve for x
    x = 39,200,148,605.73/216,954.03
  6. Step 6: Final answer
    x = 180,684.12

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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.