Home / 277,638.12-416,036.70-183,807.72

Finding the Fourth Proportional to 277,638.12, 416,036.70 and 183,807.72

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Solution

The fourth proportional to 277,638.12, 416,036.70 and 183,807.72 is: 275,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,638.12 : 416,036.70 = 183,807.72 : x
  2. Step 2: Convert to fraction form
    277,638.12/416,036.70 = 183,807.72/x
  3. Step 3: Cross multiply
    277,638.12x = 416,036.70 × 183,807.72
  4. Step 4: Simplify right side
    277,638.12x = 76,470,757,263.32
  5. Step 5: Solve for x
    x = 76,470,757,263.32/277,638.12
  6. Step 6: Final answer
    x = 275,433.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.