Home / 318,741.18-478,000.32-94,041.96

Finding the Fourth Proportional to 318,741.18, 478,000.32 and 94,041.96

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Solution

The fourth proportional to 318,741.18, 478,000.32 and 94,041.96 is: 141,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,741.18 : 478,000.32 = 94,041.96 : x
  2. Step 2: Convert to fraction form
    318,741.18/478,000.32 = 94,041.96/x
  3. Step 3: Cross multiply
    318,741.18x = 478,000.32 × 94,041.96
  4. Step 4: Simplify right side
    318,741.18x = 44,952,086,973.43
  5. Step 5: Solve for x
    x = 44,952,086,973.43/318,741.18
  6. Step 6: Final answer
    x = 141,030.06

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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.