Home / 216,303.12-298,629.81-148,431.60

Finding the Fourth Proportional to 216,303.12, 298,629.81 and 148,431.60

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Solution

The fourth proportional to 216,303.12, 298,629.81 and 148,431.60 is: 204,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,303.12 : 298,629.81 = 148,431.60 : x
  2. Step 2: Convert to fraction form
    216,303.12/298,629.81 = 148,431.60/x
  3. Step 3: Cross multiply
    216,303.12x = 298,629.81 × 148,431.60
  4. Step 4: Simplify right side
    216,303.12x = 44,326,100,506.00
  5. Step 5: Solve for x
    x = 44,326,100,506.00/216,303.12
  6. Step 6: Final answer
    x = 204,925.85

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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.