Home / 131,465.10-197,197.65-48,348.30

Finding the Fourth Proportional to 131,465.10, 197,197.65 and 48,348.30

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Solution

The fourth proportional to 131,465.10, 197,197.65 and 48,348.30 is: 72,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,465.10 : 197,197.65 = 48,348.30 : x
  2. Step 2: Convert to fraction form
    131,465.10/197,197.65 = 48,348.30/x
  3. Step 3: Cross multiply
    131,465.10x = 197,197.65 × 48,348.30
  4. Step 4: Simplify right side
    131,465.10x = 9,534,171,141.50
  5. Step 5: Solve for x
    x = 9,534,171,141.50/131,465.10
  6. Step 6: Final answer
    x = 72,522.45

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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.