Home / 109,292.76-163,685.05-105,504.46

Finding the Fourth Proportional to 109,292.76, 163,685.05 and 105,504.46

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Solution

The fourth proportional to 109,292.76, 163,685.05 and 105,504.46 is: 158,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,292.76 : 163,685.05 = 105,504.46 : x
  2. Step 2: Convert to fraction form
    109,292.76/163,685.05 = 105,504.46/x
  3. Step 3: Cross multiply
    109,292.76x = 163,685.05 × 105,504.46
  4. Step 4: Simplify right side
    109,292.76x = 17,269,502,810.32
  5. Step 5: Solve for x
    x = 17,269,502,810.32/109,292.76
  6. Step 6: Final answer
    x = 158,011.41

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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.