Home / 176,726.25-243,880.34-105,104.70

Finding the Fourth Proportional to 176,726.25, 243,880.34 and 105,104.70

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Solution

The fourth proportional to 176,726.25, 243,880.34 and 105,104.70 is: 145,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,726.25 : 243,880.34 = 105,104.70 : x
  2. Step 2: Convert to fraction form
    176,726.25/243,880.34 = 105,104.70/x
  3. Step 3: Cross multiply
    176,726.25x = 243,880.34 × 105,104.70
  4. Step 4: Simplify right side
    176,726.25x = 25,632,969,446.07
  5. Step 5: Solve for x
    x = 25,632,969,446.07/176,726.25
  6. Step 6: Final answer
    x = 145,043.36

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1.5x scale

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.