Home / 185,629.76-256,168.93-100,746.89

Finding the Fourth Proportional to 185,629.76, 256,168.93 and 100,746.89

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Solution

The fourth proportional to 185,629.76, 256,168.93 and 100,746.89 is: 139,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.76 : 256,168.93 = 100,746.89 : x
  2. Step 2: Convert to fraction form
    185,629.76/256,168.93 = 100,746.89/x
  3. Step 3: Cross multiply
    185,629.76x = 256,168.93 × 100,746.89
  4. Step 4: Simplify right side
    185,629.76x = 25,808,223,012.13
  5. Step 5: Solve for x
    x = 25,808,223,012.13/185,629.76
  6. Step 6: Final answer
    x = 139,030.63

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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.