Home / 196,312.04-270,841.58-128,368.76

Finding the Fourth Proportional to 196,312.04, 270,841.58 and 128,368.76

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Solution

The fourth proportional to 196,312.04, 270,841.58 and 128,368.76 is: 177,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,312.04 : 270,841.58 = 128,368.76 : x
  2. Step 2: Convert to fraction form
    196,312.04/270,841.58 = 128,368.76/x
  3. Step 3: Cross multiply
    196,312.04x = 270,841.58 × 128,368.76
  4. Step 4: Simplify right side
    196,312.04x = 34,767,597,781.04
  5. Step 5: Solve for x
    x = 34,767,597,781.04/196,312.04
  6. Step 6: Final answer
    x = 177,103.75

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1.5x scale

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.