Home / 195,838.48-270,256.40-110,971.76

Finding the Fourth Proportional to 195,838.48, 270,256.40 and 110,971.76

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Solution

The fourth proportional to 195,838.48, 270,256.40 and 110,971.76 is: 153,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,838.48 : 270,256.40 = 110,971.76 : x
  2. Step 2: Convert to fraction form
    195,838.48/270,256.40 = 110,971.76/x
  3. Step 3: Cross multiply
    195,838.48x = 270,256.40 × 110,971.76
  4. Step 4: Simplify right side
    195,838.48x = 29,990,828,359.26
  5. Step 5: Solve for x
    x = 29,990,828,359.26/195,838.48
  6. Step 6: Final answer
    x = 153,140.63

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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.