Home / 185,826.10-256,430.37-100,943.02

Finding the Fourth Proportional to 185,826.10, 256,430.37 and 100,943.02

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Solution

The fourth proportional to 185,826.10, 256,430.37 and 100,943.02 is: 139,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,826.10 : 256,430.37 = 100,943.02 : x
  2. Step 2: Convert to fraction form
    185,826.10/256,430.37 = 100,943.02/x
  3. Step 3: Cross multiply
    185,826.10x = 256,430.37 × 100,943.02
  4. Step 4: Simplify right side
    185,826.10x = 25,884,855,967.52
  5. Step 5: Solve for x
    x = 25,884,855,967.52/185,826.10
  6. Step 6: Final answer
    x = 139,296.13

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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.