Home / 157,366.45-217,165.71-85,746.46

Finding the Fourth Proportional to 157,366.45, 217,165.71 and 85,746.46

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Solution

The fourth proportional to 157,366.45, 217,165.71 and 85,746.46 is: 118,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,366.45 : 217,165.71 = 85,746.46 : x
  2. Step 2: Convert to fraction form
    157,366.45/217,165.71 = 85,746.46/x
  3. Step 3: Cross multiply
    157,366.45x = 217,165.71 × 85,746.46
  4. Step 4: Simplify right side
    157,366.45x = 18,621,190,865.89
  5. Step 5: Solve for x
    x = 18,621,190,865.89/157,366.45
  6. Step 6: Final answer
    x = 118,330.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.