Home / 331,516.16-457,503.36-180,627.20

Finding the Fourth Proportional to 331,516.16, 457,503.36 and 180,627.20

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Solution

The fourth proportional to 331,516.16, 457,503.36 and 180,627.20 is: 249,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,516.16 : 457,503.36 = 180,627.20 : x
  2. Step 2: Convert to fraction form
    331,516.16/457,503.36 = 180,627.20/x
  3. Step 3: Cross multiply
    331,516.16x = 457,503.36 × 180,627.20
  4. Step 4: Simplify right side
    331,516.16x = 82,637,550,907.39
  5. Step 5: Solve for x
    x = 82,637,550,907.39/331,516.16
  6. Step 6: Final answer
    x = 249,271.56

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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.