Home / 216,582.38-298,763.68-125,928.32

Finding the Fourth Proportional to 216,582.38, 298,763.68 and 125,928.32

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Solution

The fourth proportional to 216,582.38, 298,763.68 and 125,928.32 is: 173,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,582.38 : 298,763.68 = 125,928.32 : x
  2. Step 2: Convert to fraction form
    216,582.38/298,763.68 = 125,928.32/x
  3. Step 3: Cross multiply
    216,582.38x = 298,763.68 × 125,928.32
  4. Step 4: Simplify right side
    216,582.38x = 37,622,808,299.42
  5. Step 5: Solve for x
    x = 37,622,808,299.42/216,582.38
  6. Step 6: Final answer
    x = 173,711.31

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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.