Home / 277,444.12-382,871.32-156,624.64

Finding the Fourth Proportional to 277,444.12, 382,871.32 and 156,624.64

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Solution

The fourth proportional to 277,444.12, 382,871.32 and 156,624.64 is: 216,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,444.12 : 382,871.32 = 156,624.64 : x
  2. Step 2: Convert to fraction form
    277,444.12/382,871.32 = 156,624.64/x
  3. Step 3: Cross multiply
    277,444.12x = 382,871.32 × 156,624.64
  4. Step 4: Simplify right side
    277,444.12x = 59,967,082,661.32
  5. Step 5: Solve for x
    x = 59,967,082,661.32/277,444.12
  6. Step 6: Final answer
    x = 216,141.12

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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.