Home / 277,120.46-382,393.74-156,254.55

Finding the Fourth Proportional to 277,120.46, 382,393.74 and 156,254.55

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Solution

The fourth proportional to 277,120.46, 382,393.74 and 156,254.55 is: 215,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,120.46 : 382,393.74 = 156,254.55 : x
  2. Step 2: Convert to fraction form
    277,120.46/382,393.74 = 156,254.55/x
  3. Step 3: Cross multiply
    277,120.46x = 382,393.74 × 156,254.55
  4. Step 4: Simplify right side
    277,120.46x = 59,750,759,854.55
  5. Step 5: Solve for x
    x = 59,750,759,854.55/277,120.46
  6. Step 6: Final answer
    x = 215,612.95

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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.