Home / 131,457.60-197,206.20-48,345.12

Finding the Fourth Proportional to 131,457.60, 197,206.20 and 48,345.12

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Solution

The fourth proportional to 131,457.60, 197,206.20 and 48,345.12 is: 72,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,457.60 : 197,206.20 = 48,345.12 : x
  2. Step 2: Convert to fraction form
    131,457.60/197,206.20 = 48,345.12/x
  3. Step 3: Cross multiply
    131,457.60x = 197,206.20 × 48,345.12
  4. Step 4: Simplify right side
    131,457.60x = 9,533,957,403.74
  5. Step 5: Solve for x
    x = 9,533,957,403.74/131,457.60
  6. Step 6: Final answer
    x = 72,524.96

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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.