Home / 185,973.36-256,655.16-104,309.28

Finding the Fourth Proportional to 185,973.36, 256,655.16 and 104,309.28

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Solution

The fourth proportional to 185,973.36, 256,655.16 and 104,309.28 is: 143,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,973.36 : 256,655.16 = 104,309.28 : x
  2. Step 2: Convert to fraction form
    185,973.36/256,655.16 = 104,309.28/x
  3. Step 3: Cross multiply
    185,973.36x = 256,655.16 × 104,309.28
  4. Step 4: Simplify right side
    185,973.36x = 26,771,514,947.88
  5. Step 5: Solve for x
    x = 26,771,514,947.88/185,973.36
  6. Step 6: Final answer
    x = 143,953.49

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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.