Home / 277,542.40-383,009.88-156,688.60

Finding the Fourth Proportional to 277,542.40, 383,009.88 and 156,688.60

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Solution

The fourth proportional to 277,542.40, 383,009.88 and 156,688.60 is: 216,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,542.40 : 383,009.88 = 156,688.60 : x
  2. Step 2: Convert to fraction form
    277,542.40/383,009.88 = 156,688.60/x
  3. Step 3: Cross multiply
    277,542.40x = 383,009.88 × 156,688.60
  4. Step 4: Simplify right side
    277,542.40x = 60,013,281,883.37
  5. Step 5: Solve for x
    x = 60,013,281,883.37/277,542.40
  6. Step 6: Final answer
    x = 216,231.04

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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.