Home / 185,921.36-256,573.08-101,038.40

Finding the Fourth Proportional to 185,921.36, 256,573.08 and 101,038.40

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Solution

The fourth proportional to 185,921.36, 256,573.08 and 101,038.40 is: 139,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.36 : 256,573.08 = 101,038.40 : x
  2. Step 2: Convert to fraction form
    185,921.36/256,573.08 = 101,038.40/x
  3. Step 3: Cross multiply
    185,921.36x = 256,573.08 × 101,038.40
  4. Step 4: Simplify right side
    185,921.36x = 25,923,733,486.27
  5. Step 5: Solve for x
    x = 25,923,733,486.27/185,921.36
  6. Step 6: Final answer
    x = 139,433.86

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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.