Home / 140,842.77-194,549.36-104,970.50

Finding the Fourth Proportional to 140,842.77, 194,549.36 and 104,970.50

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Solution

The fourth proportional to 140,842.77, 194,549.36 and 104,970.50 is: 144,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,842.77 : 194,549.36 = 104,970.50 : x
  2. Step 2: Convert to fraction form
    140,842.77/194,549.36 = 104,970.50/x
  3. Step 3: Cross multiply
    140,842.77x = 194,549.36 × 104,970.50
  4. Step 4: Simplify right side
    140,842.77x = 20,421,943,555.40
  5. Step 5: Solve for x
    x = 20,421,943,555.40/140,842.77
  6. Step 6: Final answer
    x = 144,998.17

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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.