Home / 318,526.02-477,455.85-118,759.50

Finding the Fourth Proportional to 318,526.02, 477,455.85 and 118,759.50

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Solution

The fourth proportional to 318,526.02, 477,455.85 and 118,759.50 is: 178,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,526.02 : 477,455.85 = 118,759.50 : x
  2. Step 2: Convert to fraction form
    318,526.02/477,455.85 = 118,759.50/x
  3. Step 3: Cross multiply
    318,526.02x = 477,455.85 × 118,759.50
  4. Step 4: Simplify right side
    318,526.02x = 56,702,418,018.08
  5. Step 5: Solve for x
    x = 56,702,418,018.08/318,526.02
  6. Step 6: Final answer
    x = 178,015.03

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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.