Home / 282,644.15-390,070.62-161,823.33

Finding the Fourth Proportional to 282,644.15, 390,070.62 and 161,823.33

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Solution

The fourth proportional to 282,644.15, 390,070.62 and 161,823.33 is: 223,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,644.15 : 390,070.62 = 161,823.33 : x
  2. Step 2: Convert to fraction form
    282,644.15/390,070.62 = 161,823.33/x
  3. Step 3: Cross multiply
    282,644.15x = 390,070.62 × 161,823.33
  4. Step 4: Simplify right side
    282,644.15x = 63,122,526,663.56
  5. Step 5: Solve for x
    x = 63,122,526,663.56/282,644.15
  6. Step 6: Final answer
    x = 223,328.62

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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.