Home / 185,629.22-256,168.51-100,746.32

Finding the Fourth Proportional to 185,629.22, 256,168.51 and 100,746.32

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Solution

The fourth proportional to 185,629.22, 256,168.51 and 100,746.32 is: 139,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.22 : 256,168.51 = 100,746.32 : x
  2. Step 2: Convert to fraction form
    185,629.22/256,168.51 = 100,746.32/x
  3. Step 3: Cross multiply
    185,629.22x = 256,168.51 × 100,746.32
  4. Step 4: Simplify right side
    185,629.22x = 25,808,034,682.38
  5. Step 5: Solve for x
    x = 25,808,034,682.38/185,629.22
  6. Step 6: Final answer
    x = 139,030.02

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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.