Home / 358,456.06-494,665.60-197,307.66

Finding the Fourth Proportional to 358,456.06, 494,665.60 and 197,307.66

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Solution

The fourth proportional to 358,456.06, 494,665.60 and 197,307.66 is: 272,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,456.06 : 494,665.60 = 197,307.66 : x
  2. Step 2: Convert to fraction form
    358,456.06/494,665.60 = 197,307.66/x
  3. Step 3: Cross multiply
    358,456.06x = 494,665.60 × 197,307.66
  4. Step 4: Simplify right side
    358,456.06x = 97,601,312,018.50
  5. Step 5: Solve for x
    x = 97,601,312,018.50/358,456.06
  6. Step 6: Final answer
    x = 272,282.50

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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.