Home / 187,424.01-258,773.27-139,038.57

Finding the Fourth Proportional to 187,424.01, 258,773.27 and 139,038.57

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Solution

The fourth proportional to 187,424.01, 258,773.27 and 139,038.57 is: 191,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,424.01 : 258,773.27 = 139,038.57 : x
  2. Step 2: Convert to fraction form
    187,424.01/258,773.27 = 139,038.57/x
  3. Step 3: Cross multiply
    187,424.01x = 258,773.27 × 139,038.57
  4. Step 4: Simplify right side
    187,424.01x = 35,979,464,719.83
  5. Step 5: Solve for x
    x = 35,979,464,719.83/187,424.01
  6. Step 6: Final answer
    x = 191,968.28

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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.