Home / 185,513.36-256,014.73-109,031.35

Finding the Fourth Proportional to 185,513.36, 256,014.73 and 109,031.35

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Solution

The fourth proportional to 185,513.36, 256,014.73 and 109,031.35 is: 150,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,513.36 : 256,014.73 = 109,031.35 : x
  2. Step 2: Convert to fraction form
    185,513.36/256,014.73 = 109,031.35/x
  3. Step 3: Cross multiply
    185,513.36x = 256,014.73 × 109,031.35
  4. Step 4: Simplify right side
    185,513.36x = 27,913,631,631.79
  5. Step 5: Solve for x
    x = 27,913,631,631.79/185,513.36
  6. Step 6: Final answer
    x = 150,466.96

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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.