Home / 169,051.93-233,291.75-105,389.98

Finding the Fourth Proportional to 169,051.93, 233,291.75 and 105,389.98

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Solution

The fourth proportional to 169,051.93, 233,291.75 and 105,389.98 is: 145,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,051.93 : 233,291.75 = 105,389.98 : x
  2. Step 2: Convert to fraction form
    169,051.93/233,291.75 = 105,389.98/x
  3. Step 3: Cross multiply
    169,051.93x = 233,291.75 × 105,389.98
  4. Step 4: Simplify right side
    169,051.93x = 24,586,612,866.67
  5. Step 5: Solve for x
    x = 24,586,612,866.67/169,051.93
  6. Step 6: Final answer
    x = 145,438.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.