Home / 316,030.68-473,947.20-105,619.41

Finding the Fourth Proportional to 316,030.68, 473,947.20 and 105,619.41

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Solution

The fourth proportional to 316,030.68, 473,947.20 and 105,619.41 is: 158,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,030.68 : 473,947.20 = 105,619.41 : x
  2. Step 2: Convert to fraction form
    316,030.68/473,947.20 = 105,619.41/x
  3. Step 3: Cross multiply
    316,030.68x = 473,947.20 × 105,619.41
  4. Step 4: Simplify right side
    316,030.68x = 50,058,023,635.15
  5. Step 5: Solve for x
    x = 50,058,023,635.15/316,030.68
  6. Step 6: Final answer
    x = 158,396.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.