Home / 131,138.55-196,659.63-46,875.98

Finding the Fourth Proportional to 131,138.55, 196,659.63 and 46,875.98

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Solution

The fourth proportional to 131,138.55, 196,659.63 and 46,875.98 is: 70,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,138.55 : 196,659.63 = 46,875.98 : x
  2. Step 2: Convert to fraction form
    131,138.55/196,659.63 = 46,875.98/x
  3. Step 3: Cross multiply
    131,138.55x = 196,659.63 × 46,875.98
  4. Step 4: Simplify right side
    131,138.55x = 9,218,611,899.39
  5. Step 5: Solve for x
    x = 9,218,611,899.39/131,138.55
  6. Step 6: Final answer
    x = 70,296.74

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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.