Home / 157,938.69-217,885.32-94,239.48

Finding the Fourth Proportional to 157,938.69, 217,885.32 and 94,239.48

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Solution

The fourth proportional to 157,938.69, 217,885.32 and 94,239.48 is: 130,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,938.69 : 217,885.32 = 94,239.48 : x
  2. Step 2: Convert to fraction form
    157,938.69/217,885.32 = 94,239.48/x
  3. Step 3: Cross multiply
    157,938.69x = 217,885.32 × 94,239.48
  4. Step 4: Simplify right side
    157,938.69x = 20,533,399,256.43
  5. Step 5: Solve for x
    x = 20,533,399,256.43/157,938.69
  6. Step 6: Final answer
    x = 130,008.67

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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.