Home / 148,833.49-205,384.32-88,402.54

Finding the Fourth Proportional to 148,833.49, 205,384.32 and 88,402.54

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Solution

The fourth proportional to 148,833.49, 205,384.32 and 88,402.54 is: 121,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,833.49 : 205,384.32 = 88,402.54 : x
  2. Step 2: Convert to fraction form
    148,833.49/205,384.32 = 88,402.54/x
  3. Step 3: Cross multiply
    148,833.49x = 205,384.32 × 88,402.54
  4. Step 4: Simplify right side
    148,833.49x = 18,156,495,050.71
  5. Step 5: Solve for x
    x = 18,156,495,050.71/148,833.49
  6. Step 6: Final answer
    x = 121,992.00

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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.