Home / 148,038.60-222,057.90-103,715.40

Finding the Fourth Proportional to 148,038.60, 222,057.90 and 103,715.40

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Solution

The fourth proportional to 148,038.60, 222,057.90 and 103,715.40 is: 155,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,038.60 : 222,057.90 = 103,715.40 : x
  2. Step 2: Convert to fraction form
    148,038.60/222,057.90 = 103,715.40/x
  3. Step 3: Cross multiply
    148,038.60x = 222,057.90 × 103,715.40
  4. Step 4: Simplify right side
    148,038.60x = 23,030,823,921.66
  5. Step 5: Solve for x
    x = 23,030,823,921.66/148,038.60
  6. Step 6: Final answer
    x = 155,573.10

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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.