Home / 112,312.23-154,934.94-66,958.29

Finding the Fourth Proportional to 112,312.23, 154,934.94 and 66,958.29

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Solution

The fourth proportional to 112,312.23, 154,934.94 and 66,958.29 is: 92,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312.23 : 154,934.94 = 66,958.29 : x
  2. Step 2: Convert to fraction form
    112,312.23/154,934.94 = 66,958.29/x
  3. Step 3: Cross multiply
    112,312.23x = 154,934.94 × 66,958.29
  4. Step 4: Simplify right side
    112,312.23x = 10,374,178,643.65
  5. Step 5: Solve for x
    x = 10,374,178,643.65/112,312.23
  6. Step 6: Final answer
    x = 92,369.09

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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.