Home / 157,476.93-217,316.07-85,856.82

Finding the Fourth Proportional to 157,476.93, 217,316.07 and 85,856.82

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Solution

The fourth proportional to 157,476.93, 217,316.07 and 85,856.82 is: 118,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,476.93 : 217,316.07 = 85,856.82 : x
  2. Step 2: Convert to fraction form
    157,476.93/217,316.07 = 85,856.82/x
  3. Step 3: Cross multiply
    157,476.93x = 217,316.07 × 85,856.82
  4. Step 4: Simplify right side
    157,476.93x = 18,658,066,705.10
  5. Step 5: Solve for x
    x = 18,658,066,705.10/157,476.93
  6. Step 6: Final answer
    x = 118,481.27

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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.