Home / 105,100.31-157,655.93-26,215.22

Finding the Fourth Proportional to 105,100.31, 157,655.93 and 26,215.22

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Solution

The fourth proportional to 105,100.31, 157,655.93 and 26,215.22 is: 39,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,100.31 : 157,655.93 = 26,215.22 : x
  2. Step 2: Convert to fraction form
    105,100.31/157,655.93 = 26,215.22/x
  3. Step 3: Cross multiply
    105,100.31x = 157,655.93 × 26,215.22
  4. Step 4: Simplify right side
    105,100.31x = 4,132,985,152.32
  5. Step 5: Solve for x
    x = 4,132,985,152.32/105,100.31
  6. Step 6: Final answer
    x = 39,324.19

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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.