Home / 105,885.22-146,126.37-63,442.84

Finding the Fourth Proportional to 105,885.22, 146,126.37 and 63,442.84

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Solution

The fourth proportional to 105,885.22, 146,126.37 and 63,442.84 is: 87,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,885.22 : 146,126.37 = 63,442.84 : x
  2. Step 2: Convert to fraction form
    105,885.22/146,126.37 = 63,442.84/x
  3. Step 3: Cross multiply
    105,885.22x = 146,126.37 × 63,442.84
  4. Step 4: Simplify right side
    105,885.22x = 9,270,671,911.69
  5. Step 5: Solve for x
    x = 9,270,671,911.69/105,885.22
  6. Step 6: Final answer
    x = 87,553.98

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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.