Home / 105,887.58-146,127.23-58,141.13

Finding the Fourth Proportional to 105,887.58, 146,127.23 and 58,141.13

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Solution

The fourth proportional to 105,887.58, 146,127.23 and 58,141.13 is: 80,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887.58 : 146,127.23 = 58,141.13 : x
  2. Step 2: Convert to fraction form
    105,887.58/146,127.23 = 58,141.13/x
  3. Step 3: Cross multiply
    105,887.58x = 146,127.23 × 58,141.13
  4. Step 4: Simplify right side
    105,887.58x = 8,496,001,254.63
  5. Step 5: Solve for x
    x = 8,496,001,254.63/105,887.58
  6. Step 6: Final answer
    x = 80,236.05

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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.