Home / 240,615.08-360,798.26-105,623.90

Finding the Fourth Proportional to 240,615.08, 360,798.26 and 105,623.90

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Solution

The fourth proportional to 240,615.08, 360,798.26 and 105,623.90 is: 158,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,615.08 : 360,798.26 = 105,623.90 : x
  2. Step 2: Convert to fraction form
    240,615.08/360,798.26 = 105,623.90/x
  3. Step 3: Cross multiply
    240,615.08x = 360,798.26 × 105,623.90
  4. Step 4: Simplify right side
    240,615.08x = 38,108,919,334.41
  5. Step 5: Solve for x
    x = 38,108,919,334.41/240,615.08
  6. Step 6: Final answer
    x = 158,381.26

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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.