Home / 125,622.04-188,460.78-69,543.94

Finding the Fourth Proportional to 125,622.04, 188,460.78 and 69,543.94

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Solution

The fourth proportional to 125,622.04, 188,460.78 and 69,543.94 is: 104,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.04 : 188,460.78 = 69,543.94 : x
  2. Step 2: Convert to fraction form
    125,622.04/188,460.78 = 69,543.94/x
  3. Step 3: Cross multiply
    125,622.04x = 188,460.78 × 69,543.94
  4. Step 4: Simplify right side
    125,622.04x = 13,106,305,176.67
  5. Step 5: Solve for x
    x = 13,106,305,176.67/125,622.04
  6. Step 6: Final answer
    x = 104,331.26

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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.