Home / 277,289.29-382,662.94-156,430.21

Finding the Fourth Proportional to 277,289.29, 382,662.94 and 156,430.21

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Solution

The fourth proportional to 277,289.29, 382,662.94 and 156,430.21 is: 215,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,289.29 : 382,662.94 = 156,430.21 : x
  2. Step 2: Convert to fraction form
    277,289.29/382,662.94 = 156,430.21/x
  3. Step 3: Cross multiply
    277,289.29x = 382,662.94 × 156,430.21
  4. Step 4: Simplify right side
    277,289.29x = 59,860,042,150.10
  5. Step 5: Solve for x
    x = 59,860,042,150.10/277,289.29
  6. Step 6: Final answer
    x = 215,875.78

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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.