Home / 142,411.48-213,430.38-104,795.44

Finding the Fourth Proportional to 142,411.48, 213,430.38 and 104,795.44

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Solution

The fourth proportional to 142,411.48, 213,430.38 and 104,795.44 is: 157,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,411.48 : 213,430.38 = 104,795.44 : x
  2. Step 2: Convert to fraction form
    142,411.48/213,430.38 = 104,795.44/x
  3. Step 3: Cross multiply
    142,411.48x = 213,430.38 × 104,795.44
  4. Step 4: Simplify right side
    142,411.48x = 22,366,530,581.47
  5. Step 5: Solve for x
    x = 22,366,530,581.47/142,411.48
  6. Step 6: Final answer
    x = 157,055.67

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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.