Home / 186,566.76-279,587.16-139,852.44

Finding the Fourth Proportional to 186,566.76, 279,587.16 and 139,852.44

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Solution

The fourth proportional to 186,566.76, 279,587.16 and 139,852.44 is: 209,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,566.76 : 279,587.16 = 139,852.44 : x
  2. Step 2: Convert to fraction form
    186,566.76/279,587.16 = 139,852.44/x
  3. Step 3: Cross multiply
    186,566.76x = 279,587.16 × 139,852.44
  4. Step 4: Simplify right side
    186,566.76x = 39,100,946,518.67
  5. Step 5: Solve for x
    x = 39,100,946,518.67/186,566.76
  6. Step 6: Final answer
    x = 209,581.53

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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.