Home / 281,182.14-388,030.94-152,120.19

Finding the Fourth Proportional to 281,182.14, 388,030.94 and 152,120.19

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Solution

The fourth proportional to 281,182.14, 388,030.94 and 152,120.19 is: 209,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,182.14 : 388,030.94 = 152,120.19 : x
  2. Step 2: Convert to fraction form
    281,182.14/388,030.94 = 152,120.19/x
  3. Step 3: Cross multiply
    281,182.14x = 388,030.94 × 152,120.19
  4. Step 4: Simplify right side
    281,182.14x = 59,027,339,558.08
  5. Step 5: Solve for x
    x = 59,027,339,558.08/281,182.14
  6. Step 6: Final answer
    x = 209,925.64

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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.