Home / 161,938.38-242,938.70-62,090.78

Finding the Fourth Proportional to 161,938.38, 242,938.70 and 62,090.78

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Solution

The fourth proportional to 161,938.38, 242,938.70 and 62,090.78 is: 93,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.38 : 242,938.70 = 62,090.78 : x
  2. Step 2: Convert to fraction form
    161,938.38/242,938.70 = 62,090.78/x
  3. Step 3: Cross multiply
    161,938.38x = 242,938.70 × 62,090.78
  4. Step 4: Simplify right side
    161,938.38x = 15,084,254,137.76
  5. Step 5: Solve for x
    x = 15,084,254,137.76/161,938.38
  6. Step 6: Final answer
    x = 93,148.11

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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.