Home / 196,113.15-293,911.23-77,719.89

Finding the Fourth Proportional to 196,113.15, 293,911.23 and 77,719.89

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Solution

The fourth proportional to 196,113.15, 293,911.23 and 77,719.89 is: 116,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,113.15 : 293,911.23 = 77,719.89 : x
  2. Step 2: Convert to fraction form
    196,113.15/293,911.23 = 77,719.89/x
  3. Step 3: Cross multiply
    196,113.15x = 293,911.23 × 77,719.89
  4. Step 4: Simplify right side
    196,113.15x = 22,842,748,465.36
  5. Step 5: Solve for x
    x = 22,842,748,465.36/196,113.15
  6. Step 6: Final answer
    x = 116,477.39

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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.