Home / 545,341.04-818,385.24-190,355.03

Finding the Fourth Proportional to 545,341.04, 818,385.24 and 190,355.03

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Solution

The fourth proportional to 545,341.04, 818,385.24 and 190,355.03 is: 285,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,341.04 : 818,385.24 = 190,355.03 : x
  2. Step 2: Convert to fraction form
    545,341.04/818,385.24 = 190,355.03/x
  3. Step 3: Cross multiply
    545,341.04x = 818,385.24 × 190,355.03
  4. Step 4: Simplify right side
    545,341.04x = 155,783,742,819.83
  5. Step 5: Solve for x
    x = 155,783,742,819.83/545,341.04
  6. Step 6: Final answer
    x = 285,662.98

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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.