Home / 112,197.99-154,814.19-66,875.15

Finding the Fourth Proportional to 112,197.99, 154,814.19 and 66,875.15

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Solution

The fourth proportional to 112,197.99, 154,814.19 and 66,875.15 is: 92,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.99 : 154,814.19 = 66,875.15 : x
  2. Step 2: Convert to fraction form
    112,197.99/154,814.19 = 66,875.15/x
  3. Step 3: Cross multiply
    112,197.99x = 154,814.19 × 66,875.15
  4. Step 4: Simplify right side
    112,197.99x = 10,353,222,314.63
  5. Step 5: Solve for x
    x = 10,353,222,314.63/112,197.99
  6. Step 6: Final answer
    x = 92,276.36

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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.