Home / 185,971.24-256,638.78-101,088.04

Finding the Fourth Proportional to 185,971.24, 256,638.78 and 101,088.04

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Solution

The fourth proportional to 185,971.24, 256,638.78 and 101,088.04 is: 139,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,971.24 : 256,638.78 = 101,088.04 : x
  2. Step 2: Convert to fraction form
    185,971.24/256,638.78 = 101,088.04/x
  3. Step 3: Cross multiply
    185,971.24x = 256,638.78 × 101,088.04
  4. Step 4: Simplify right side
    185,971.24x = 25,943,111,258.19
  5. Step 5: Solve for x
    x = 25,943,111,258.19/185,971.24
  6. Step 6: Final answer
    x = 139,500.66

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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.