Home / 112,282.80-168,423.73-45,707.15

Finding the Fourth Proportional to 112,282.80, 168,423.73 and 45,707.15

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Solution

The fourth proportional to 112,282.80, 168,423.73 and 45,707.15 is: 68,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.80 : 168,423.73 = 45,707.15 : x
  2. Step 2: Convert to fraction form
    112,282.80/168,423.73 = 45,707.15/x
  3. Step 3: Cross multiply
    112,282.80x = 168,423.73 × 45,707.15
  4. Step 4: Simplify right side
    112,282.80x = 7,698,168,690.67
  5. Step 5: Solve for x
    x = 7,698,168,690.67/112,282.80
  6. Step 6: Final answer
    x = 68,560.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.