Home / 115,883.84-159,908.64-92,068.16

Finding the Fourth Proportional to 115,883.84, 159,908.64 and 92,068.16

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Solution

The fourth proportional to 115,883.84, 159,908.64 and 92,068.16 is: 127,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,883.84 : 159,908.64 = 92,068.16 : x
  2. Step 2: Convert to fraction form
    115,883.84/159,908.64 = 92,068.16/x
  3. Step 3: Cross multiply
    115,883.84x = 159,908.64 × 92,068.16
  4. Step 4: Simplify right side
    115,883.84x = 14,722,494,252.90
  5. Step 5: Solve for x
    x = 14,722,494,252.90/115,883.84
  6. Step 6: Final answer
    x = 127,045.27

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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.