Home / 277,577.28-383,074.35-156,674.45

Finding the Fourth Proportional to 277,577.28, 383,074.35 and 156,674.45

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Solution

The fourth proportional to 277,577.28, 383,074.35 and 156,674.45 is: 216,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,577.28 : 383,074.35 = 156,674.45 : x
  2. Step 2: Convert to fraction form
    277,577.28/383,074.35 = 156,674.45/x
  3. Step 3: Cross multiply
    277,577.28x = 383,074.35 × 156,674.45
  4. Step 4: Simplify right side
    277,577.28x = 60,017,963,465.51
  5. Step 5: Solve for x
    x = 60,017,963,465.51/277,577.28
  6. Step 6: Final answer
    x = 216,220.73

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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.