Home / 131,157.52-196,688-46,894.96

Finding the Fourth Proportional to 131,157.52, 196,688 and 46,894.96

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Solution

The fourth proportional to 131,157.52, 196,688 and 46,894.96 is: 70,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,157.52 : 196,688 = 46,894.96 : x
  2. Step 2: Convert to fraction form
    131,157.52/196,688 = 46,894.96/x
  3. Step 3: Cross multiply
    131,157.52x = 196,688 × 46,894.96
  4. Step 4: Simplify right side
    131,157.52x = 9,223,675,892.48
  5. Step 5: Solve for x
    x = 9,223,675,892.48/131,157.52
  6. Step 6: Final answer
    x = 70,325.18

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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.