Home / 319,157.58-478,670.04-94,465.29

Finding the Fourth Proportional to 319,157.58, 478,670.04 and 94,465.29

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Solution

The fourth proportional to 319,157.58, 478,670.04 and 94,465.29 is: 141,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,157.58 : 478,670.04 = 94,465.29 : x
  2. Step 2: Convert to fraction form
    319,157.58/478,670.04 = 94,465.29/x
  3. Step 3: Cross multiply
    319,157.58x = 478,670.04 × 94,465.29
  4. Step 4: Simplify right side
    319,157.58x = 45,217,704,142.91
  5. Step 5: Solve for x
    x = 45,217,704,142.91/319,157.58
  6. Step 6: Final answer
    x = 141,678.30

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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.