Home / 318,409.02-477,448.65-93,740.22

Finding the Fourth Proportional to 318,409.02, 477,448.65 and 93,740.22

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Solution

The fourth proportional to 318,409.02, 477,448.65 and 93,740.22 is: 140,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,409.02 : 477,448.65 = 93,740.22 : x
  2. Step 2: Convert to fraction form
    318,409.02/477,448.65 = 93,740.22/x
  3. Step 3: Cross multiply
    318,409.02x = 477,448.65 × 93,740.22
  4. Step 4: Simplify right side
    318,409.02x = 44,756,141,489.70
  5. Step 5: Solve for x
    x = 44,756,141,489.70/318,409.02
  6. Step 6: Final answer
    x = 140,561.79

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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.