Home / 318,485.28-477,580.30-118,752.04

Finding the Fourth Proportional to 318,485.28, 477,580.30 and 118,752.04

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Solution

The fourth proportional to 318,485.28, 477,580.30 and 118,752.04 is: 178,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,485.28 : 477,580.30 = 118,752.04 : x
  2. Step 2: Convert to fraction form
    318,485.28/477,580.30 = 118,752.04/x
  3. Step 3: Cross multiply
    318,485.28x = 477,580.30 × 118,752.04
  4. Step 4: Simplify right side
    318,485.28x = 56,713,631,907.15
  5. Step 5: Solve for x
    x = 56,713,631,907.15/318,485.28
  6. Step 6: Final answer
    x = 178,073.01

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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.