Home / 488,071.39-731,935.56-146,412.94

Finding the Fourth Proportional to 488,071.39, 731,935.56 and 146,412.94

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Solution

The fourth proportional to 488,071.39, 731,935.56 and 146,412.94 is: 219,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,071.39 : 731,935.56 = 146,412.94 : x
  2. Step 2: Convert to fraction form
    488,071.39/731,935.56 = 146,412.94/x
  3. Step 3: Cross multiply
    488,071.39x = 731,935.56 × 146,412.94
  4. Step 4: Simplify right side
    488,071.39x = 107,164,837,230.15
  5. Step 5: Solve for x
    x = 107,164,837,230.15/488,071.39
  6. Step 6: Final answer
    x = 219,567.96

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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.