Home / 282,653.20-423,979.80-124,800.40

Finding the Fourth Proportional to 282,653.20, 423,979.80 and 124,800.40

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Solution

The fourth proportional to 282,653.20, 423,979.80 and 124,800.40 is: 187,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,653.20 : 423,979.80 = 124,800.40 : x
  2. Step 2: Convert to fraction form
    282,653.20/423,979.80 = 124,800.40/x
  3. Step 3: Cross multiply
    282,653.20x = 423,979.80 × 124,800.40
  4. Step 4: Simplify right side
    282,653.20x = 52,912,848,631.92
  5. Step 5: Solve for x
    x = 52,912,848,631.92/282,653.20
  6. Step 6: Final answer
    x = 187,200.60

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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.