Home / 162,450.12-224,180.55-90,829.92

Finding the Fourth Proportional to 162,450.12, 224,180.55 and 90,829.92

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Solution

The fourth proportional to 162,450.12, 224,180.55 and 90,829.92 is: 125,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,450.12 : 224,180.55 = 90,829.92 : x
  2. Step 2: Convert to fraction form
    162,450.12/224,180.55 = 90,829.92/x
  3. Step 3: Cross multiply
    162,450.12x = 224,180.55 × 90,829.92
  4. Step 4: Simplify right side
    162,450.12x = 20,362,301,422.06
  5. Step 5: Solve for x
    x = 20,362,301,422.06/162,450.12
  6. Step 6: Final answer
    x = 125,344.95

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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.