Home / 277,437.87-382,823.20-168,485.55

Finding the Fourth Proportional to 277,437.87, 382,823.20 and 168,485.55

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Solution

The fourth proportional to 277,437.87, 382,823.20 and 168,485.55 is: 232,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,437.87 : 382,823.20 = 168,485.55 : x
  2. Step 2: Convert to fraction form
    277,437.87/382,823.20 = 168,485.55/x
  3. Step 3: Cross multiply
    277,437.87x = 382,823.20 × 168,485.55
  4. Step 4: Simplify right side
    277,437.87x = 64,500,176,179.78
  5. Step 5: Solve for x
    x = 64,500,176,179.78/277,437.87
  6. Step 6: Final answer
    x = 232,485.12

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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.