Home / 196,246.40-294,225.60-77,859.20

Finding the Fourth Proportional to 196,246.40, 294,225.60 and 77,859.20

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Solution

The fourth proportional to 196,246.40, 294,225.60 and 77,859.20 is: 116,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,246.40 : 294,225.60 = 77,859.20 : x
  2. Step 2: Convert to fraction form
    196,246.40/294,225.60 = 77,859.20/x
  3. Step 3: Cross multiply
    196,246.40x = 294,225.60 × 77,859.20
  4. Step 4: Simplify right side
    196,246.40x = 22,908,169,835.52
  5. Step 5: Solve for x
    x = 22,908,169,835.52/196,246.40
  6. Step 6: Final answer
    x = 116,731.67

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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.