Home / 196,931.80-295,397.70-118,005.40

Finding the Fourth Proportional to 196,931.80, 295,397.70 and 118,005.40

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Solution

The fourth proportional to 196,931.80, 295,397.70 and 118,005.40 is: 177,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,931.80 : 295,397.70 = 118,005.40 : x
  2. Step 2: Convert to fraction form
    196,931.80/295,397.70 = 118,005.40/x
  3. Step 3: Cross multiply
    196,931.80x = 295,397.70 × 118,005.40
  4. Step 4: Simplify right side
    196,931.80x = 34,858,523,747.58
  5. Step 5: Solve for x
    x = 34,858,523,747.58/196,931.80
  6. Step 6: Final answer
    x = 177,008.10

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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.