Home / 617,500.18-926,120.67-174,164.50

Finding the Fourth Proportional to 617,500.18, 926,120.67 and 174,164.50

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Solution

The fourth proportional to 617,500.18, 926,120.67 and 174,164.50 is: 261,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,500.18 : 926,120.67 = 174,164.50 : x
  2. Step 2: Convert to fraction form
    617,500.18/926,120.67 = 174,164.50/x
  3. Step 3: Cross multiply
    617,500.18x = 926,120.67 × 174,164.50
  4. Step 4: Simplify right side
    617,500.18x = 161,297,343,430.22
  5. Step 5: Solve for x
    x = 161,297,343,430.22/617,500.18
  6. Step 6: Final answer
    x = 261,210.20

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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.