Home / 131,980.08-197,970.24-32,139.48

Finding the Fourth Proportional to 131,980.08, 197,970.24 and 32,139.48

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Solution

The fourth proportional to 131,980.08, 197,970.24 and 32,139.48 is: 48,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,980.08 : 197,970.24 = 32,139.48 : x
  2. Step 2: Convert to fraction form
    131,980.08/197,970.24 = 32,139.48/x
  3. Step 3: Cross multiply
    131,980.08x = 197,970.24 × 32,139.48
  4. Step 4: Simplify right side
    131,980.08x = 6,362,660,569.08
  5. Step 5: Solve for x
    x = 6,362,660,569.08/131,980.08
  6. Step 6: Final answer
    x = 48,209.25

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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.