Home / 105,420.91-158,193.74-38,907.36

Finding the Fourth Proportional to 105,420.91, 158,193.74 and 38,907.36

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Solution

The fourth proportional to 105,420.91, 158,193.74 and 38,907.36 is: 58,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,420.91 : 158,193.74 = 38,907.36 : x
  2. Step 2: Convert to fraction form
    105,420.91/158,193.74 = 38,907.36/x
  3. Step 3: Cross multiply
    105,420.91x = 158,193.74 × 38,907.36
  4. Step 4: Simplify right side
    105,420.91x = 6,154,900,791.93
  5. Step 5: Solve for x
    x = 6,154,900,791.93/105,420.91
  6. Step 6: Final answer
    x = 58,384.06

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1.5x scale

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.