Home / 148,929.20-223,404.60-89,637.20

Finding the Fourth Proportional to 148,929.20, 223,404.60 and 89,637.20

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Solution

The fourth proportional to 148,929.20, 223,404.60 and 89,637.20 is: 134,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,929.20 : 223,404.60 = 89,637.20 : x
  2. Step 2: Convert to fraction form
    148,929.20/223,404.60 = 89,637.20/x
  3. Step 3: Cross multiply
    148,929.20x = 223,404.60 × 89,637.20
  4. Step 4: Simplify right side
    148,929.20x = 20,025,362,811.12
  5. Step 5: Solve for x
    x = 20,025,362,811.12/148,929.20
  6. Step 6: Final answer
    x = 134,462.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.