Home / 112,674.06-155,486.30-67,341.65

Finding the Fourth Proportional to 112,674.06, 155,486.30 and 67,341.65

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Solution

The fourth proportional to 112,674.06, 155,486.30 and 67,341.65 is: 92,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,674.06 : 155,486.30 = 67,341.65 : x
  2. Step 2: Convert to fraction form
    112,674.06/155,486.30 = 67,341.65/x
  3. Step 3: Cross multiply
    112,674.06x = 155,486.30 × 67,341.65
  4. Step 4: Simplify right side
    112,674.06x = 10,470,702,880.26
  5. Step 5: Solve for x
    x = 10,470,702,880.26/112,674.06
  6. Step 6: Final answer
    x = 92,929.13

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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.