Home / 215,140.08-296,900.49-118,348.02

Finding the Fourth Proportional to 215,140.08, 296,900.49 and 118,348.02

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Solution

The fourth proportional to 215,140.08, 296,900.49 and 118,348.02 is: 163,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,140.08 : 296,900.49 = 118,348.02 : x
  2. Step 2: Convert to fraction form
    215,140.08/296,900.49 = 118,348.02/x
  3. Step 3: Cross multiply
    215,140.08x = 296,900.49 × 118,348.02
  4. Step 4: Simplify right side
    215,140.08x = 35,137,585,128.53
  5. Step 5: Solve for x
    x = 35,137,585,128.53/215,140.08
  6. Step 6: Final answer
    x = 163,324.22

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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.