Home / 189,885.03-262,034.22-105,003.51

Finding the Fourth Proportional to 189,885.03, 262,034.22 and 105,003.51

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Solution

The fourth proportional to 189,885.03, 262,034.22 and 105,003.51 is: 144,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,885.03 : 262,034.22 = 105,003.51 : x
  2. Step 2: Convert to fraction form
    189,885.03/262,034.22 = 105,003.51/x
  3. Step 3: Cross multiply
    189,885.03x = 262,034.22 × 105,003.51
  4. Step 4: Simplify right side
    189,885.03x = 27,514,512,840.11
  5. Step 5: Solve for x
    x = 27,514,512,840.11/189,885.03
  6. Step 6: Final answer
    x = 144,900.91

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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.