Home / 109,938.98-151,582.83-92,913.19

Finding the Fourth Proportional to 109,938.98, 151,582.83 and 92,913.19

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Solution

The fourth proportional to 109,938.98, 151,582.83 and 92,913.19 is: 128,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938.98 : 151,582.83 = 92,913.19 : x
  2. Step 2: Convert to fraction form
    109,938.98/151,582.83 = 92,913.19/x
  3. Step 3: Cross multiply
    109,938.98x = 151,582.83 × 92,913.19
  4. Step 4: Simplify right side
    109,938.98x = 14,084,043,557.15
  5. Step 5: Solve for x
    x = 14,084,043,557.15/109,938.98
  6. Step 6: Final answer
    x = 128,107.82

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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.