Home / 281,575.08-388,601.48-160,734.52

Finding the Fourth Proportional to 281,575.08, 388,601.48 and 160,734.52

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Solution

The fourth proportional to 281,575.08, 388,601.48 and 160,734.52 is: 221,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,575.08 : 388,601.48 = 160,734.52 : x
  2. Step 2: Convert to fraction form
    281,575.08/388,601.48 = 160,734.52/x
  3. Step 3: Cross multiply
    281,575.08x = 388,601.48 × 160,734.52
  4. Step 4: Simplify right side
    281,575.08x = 62,461,670,583.91
  5. Step 5: Solve for x
    x = 62,461,670,583.91/281,575.08
  6. Step 6: Final answer
    x = 221,829.54

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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.