Home / 282,749.10-390,063.71-250,516.59

Finding the Fourth Proportional to 282,749.10, 390,063.71 and 250,516.59

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Solution

The fourth proportional to 282,749.10, 390,063.71 and 250,516.59 is: 345,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,749.10 : 390,063.71 = 250,516.59 : x
  2. Step 2: Convert to fraction form
    282,749.10/390,063.71 = 250,516.59/x
  3. Step 3: Cross multiply
    282,749.10x = 390,063.71 × 250,516.59
  4. Step 4: Simplify right side
    282,749.10x = 97,717,429,675.50
  5. Step 5: Solve for x
    x = 97,717,429,675.50/282,749.10
  6. Step 6: Final answer
    x = 345,597.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.