Home / 319,158.18-478,670.93-94,465.91

Finding the Fourth Proportional to 319,158.18, 478,670.93 and 94,465.91

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Solution

The fourth proportional to 319,158.18, 478,670.93 and 94,465.91 is: 141,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,158.18 : 478,670.93 = 94,465.91 : x
  2. Step 2: Convert to fraction form
    319,158.18/478,670.93 = 94,465.91/x
  3. Step 3: Cross multiply
    319,158.18x = 478,670.93 × 94,465.91
  4. Step 4: Simplify right side
    319,158.18x = 45,218,082,599.64
  5. Step 5: Solve for x
    x = 45,218,082,599.64/319,158.18
  6. Step 6: Final answer
    x = 141,679.22

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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.