Home / 112,274.87-154,935.45-66,929.45

Finding the Fourth Proportional to 112,274.87, 154,935.45 and 66,929.45

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Solution

The fourth proportional to 112,274.87, 154,935.45 and 66,929.45 is: 92,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.87 : 154,935.45 = 66,929.45 : x
  2. Step 2: Convert to fraction form
    112,274.87/154,935.45 = 66,929.45/x
  3. Step 3: Cross multiply
    112,274.87x = 154,935.45 × 66,929.45
  4. Step 4: Simplify right side
    112,274.87x = 10,369,744,454.00
  5. Step 5: Solve for x
    x = 10,369,744,454.00/112,274.87
  6. Step 6: Final answer
    x = 92,360.33

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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.