Home / 112,200.15-168,212.67-56,012.07

Finding the Fourth Proportional to 112,200.15, 168,212.67 and 56,012.07

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Solution

The fourth proportional to 112,200.15, 168,212.67 and 56,012.07 is: 83,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.15 : 168,212.67 = 56,012.07 : x
  2. Step 2: Convert to fraction form
    112,200.15/168,212.67 = 56,012.07/x
  3. Step 3: Cross multiply
    112,200.15x = 168,212.67 × 56,012.07
  4. Step 4: Simplify right side
    112,200.15x = 9,421,939,846.93
  5. Step 5: Solve for x
    x = 9,421,939,846.93/112,200.15
  6. Step 6: Final answer
    x = 83,974.40

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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.