Home / 141,225.54-195,017.76-105,353.22

Finding the Fourth Proportional to 141,225.54, 195,017.76 and 105,353.22

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Solution

The fourth proportional to 141,225.54, 195,017.76 and 105,353.22 is: 145,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,225.54 : 195,017.76 = 105,353.22 : x
  2. Step 2: Convert to fraction form
    141,225.54/195,017.76 = 105,353.22/x
  3. Step 3: Cross multiply
    141,225.54x = 195,017.76 × 105,353.22
  4. Step 4: Simplify right side
    141,225.54x = 20,545,748,973.19
  5. Step 5: Solve for x
    x = 20,545,748,973.19/141,225.54
  6. Step 6: Final answer
    x = 145,481.82

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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.