Home / 116,297.10-174,106.74-86,443.58

Finding the Fourth Proportional to 116,297.10, 174,106.74 and 86,443.58

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Solution

The fourth proportional to 116,297.10, 174,106.74 and 86,443.58 is: 129,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,297.10 : 174,106.74 = 86,443.58 : x
  2. Step 2: Convert to fraction form
    116,297.10/174,106.74 = 86,443.58/x
  3. Step 3: Cross multiply
    116,297.10x = 174,106.74 × 86,443.58
  4. Step 4: Simplify right side
    116,297.10x = 15,050,409,907.73
  5. Step 5: Solve for x
    x = 15,050,409,907.73/116,297.10
  6. Step 6: Final answer
    x = 129,413.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.