Home / 277,281.07-382,665.60-156,378.25

Finding the Fourth Proportional to 277,281.07, 382,665.60 and 156,378.25

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Solution

The fourth proportional to 277,281.07, 382,665.60 and 156,378.25 is: 215,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,281.07 : 382,665.60 = 156,378.25 : x
  2. Step 2: Convert to fraction form
    277,281.07/382,665.60 = 156,378.25/x
  3. Step 3: Cross multiply
    277,281.07x = 382,665.60 × 156,378.25
  4. Step 4: Simplify right side
    277,281.07x = 59,840,576,863.20
  5. Step 5: Solve for x
    x = 59,840,576,863.20/277,281.07
  6. Step 6: Final answer
    x = 215,811.98

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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.