Home / 196,916.40-294,985.80-117,795.60

Finding the Fourth Proportional to 196,916.40, 294,985.80 and 117,795.60

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Solution

The fourth proportional to 196,916.40, 294,985.80 and 117,795.60 is: 176,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,916.40 : 294,985.80 = 117,795.60 : x
  2. Step 2: Convert to fraction form
    196,916.40/294,985.80 = 117,795.60/x
  3. Step 3: Cross multiply
    196,916.40x = 294,985.80 × 117,795.60
  4. Step 4: Simplify right side
    196,916.40x = 34,748,029,302.48
  5. Step 5: Solve for x
    x = 34,748,029,302.48/196,916.40
  6. Step 6: Final answer
    x = 176,460.82

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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.