Home / 107,280.25-148,045.19-61,339.44

Finding the Fourth Proportional to 107,280.25, 148,045.19 and 61,339.44

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Solution

The fourth proportional to 107,280.25, 148,045.19 and 61,339.44 is: 84,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,280.25 : 148,045.19 = 61,339.44 : x
  2. Step 2: Convert to fraction form
    107,280.25/148,045.19 = 61,339.44/x
  3. Step 3: Cross multiply
    107,280.25x = 148,045.19 × 61,339.44
  4. Step 4: Simplify right side
    107,280.25x = 9,081,009,297.77
  5. Step 5: Solve for x
    x = 9,081,009,297.77/107,280.25
  6. Step 6: Final answer
    x = 84,647.54

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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.