Home / 112,118.63-167,666.63-83,675.66

Finding the Fourth Proportional to 112,118.63, 167,666.63 and 83,675.66

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Solution

The fourth proportional to 112,118.63, 167,666.63 and 83,675.66 is: 125,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118.63 : 167,666.63 = 83,675.66 : x
  2. Step 2: Convert to fraction form
    112,118.63/167,666.63 = 83,675.66/x
  3. Step 3: Cross multiply
    112,118.63x = 167,666.63 × 83,675.66
  4. Step 4: Simplify right side
    112,118.63x = 14,029,614,668.51
  5. Step 5: Solve for x
    x = 14,029,614,668.51/112,118.63
  6. Step 6: Final answer
    x = 125,131.88

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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.