Home / 465,128.30-697,692.45-165,946.70

Finding the Fourth Proportional to 465,128.30, 697,692.45 and 165,946.70

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Solution

The fourth proportional to 465,128.30, 697,692.45 and 165,946.70 is: 248,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,128.30 : 697,692.45 = 165,946.70 : x
  2. Step 2: Convert to fraction form
    465,128.30/697,692.45 = 165,946.70/x
  3. Step 3: Cross multiply
    465,128.30x = 697,692.45 × 165,946.70
  4. Step 4: Simplify right side
    465,128.30x = 115,779,759,692.42
  5. Step 5: Solve for x
    x = 115,779,759,692.42/465,128.30
  6. Step 6: Final answer
    x = 248,920.05

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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.