Home / 351,050.40-484,448.08-189,905.04

Finding the Fourth Proportional to 351,050.40, 484,448.08 and 189,905.04

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Solution

The fourth proportional to 351,050.40, 484,448.08 and 189,905.04 is: 262,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,050.40 : 484,448.08 = 189,905.04 : x
  2. Step 2: Convert to fraction form
    351,050.40/484,448.08 = 189,905.04/x
  3. Step 3: Cross multiply
    351,050.40x = 484,448.08 × 189,905.04
  4. Step 4: Simplify right side
    351,050.40x = 91,999,132,746.68
  5. Step 5: Solve for x
    x = 91,999,132,746.68/351,050.40
  6. Step 6: Final answer
    x = 262,068.16

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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.