Home / 185,629.09-256,168.29-100,746.13

Finding the Fourth Proportional to 185,629.09, 256,168.29 and 100,746.13

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Solution

The fourth proportional to 185,629.09, 256,168.29 and 100,746.13 is: 139,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.09 : 256,168.29 = 100,746.13 : x
  2. Step 2: Convert to fraction form
    185,629.09/256,168.29 = 100,746.13/x
  3. Step 3: Cross multiply
    185,629.09x = 256,168.29 × 100,746.13
  4. Step 4: Simplify right side
    185,629.09x = 25,807,963,846.22
  5. Step 5: Solve for x
    x = 25,807,963,846.22/185,629.09
  6. Step 6: Final answer
    x = 139,029.74

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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.