Home / 282,759.27-390,200.94-153,694.68

Finding the Fourth Proportional to 282,759.27, 390,200.94 and 153,694.68

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Solution

The fourth proportional to 282,759.27, 390,200.94 and 153,694.68 is: 212,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,759.27 : 390,200.94 = 153,694.68 : x
  2. Step 2: Convert to fraction form
    282,759.27/390,200.94 = 153,694.68/x
  3. Step 3: Cross multiply
    282,759.27x = 390,200.94 × 153,694.68
  4. Step 4: Simplify right side
    282,759.27x = 59,971,808,609.00
  5. Step 5: Solve for x
    x = 59,971,808,609.00/282,759.27
  6. Step 6: Final answer
    x = 212,094.93

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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.