Home / 125,620.04-188,457.76-69,541.94

Finding the Fourth Proportional to 125,620.04, 188,457.76 and 69,541.94

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Solution

The fourth proportional to 125,620.04, 188,457.76 and 69,541.94 is: 104,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.04 : 188,457.76 = 69,541.94 : x
  2. Step 2: Convert to fraction form
    125,620.04/188,457.76 = 69,541.94/x
  3. Step 3: Cross multiply
    125,620.04x = 188,457.76 × 69,541.94
  4. Step 4: Simplify right side
    125,620.04x = 13,105,718,238.45
  5. Step 5: Solve for x
    x = 13,105,718,238.45/125,620.04
  6. Step 6: Final answer
    x = 104,328.24

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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.