Home / 187,531.40-258,483.66-139,767.32

Finding the Fourth Proportional to 187,531.40, 258,483.66 and 139,767.32

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Solution

The fourth proportional to 187,531.40, 258,483.66 and 139,767.32 is: 192,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,531.40 : 258,483.66 = 139,767.32 : x
  2. Step 2: Convert to fraction form
    187,531.40/258,483.66 = 139,767.32/x
  3. Step 3: Cross multiply
    187,531.40x = 258,483.66 × 139,767.32
  4. Step 4: Simplify right side
    187,531.40x = 36,127,568,544.07
  5. Step 5: Solve for x
    x = 36,127,568,544.07/187,531.40
  6. Step 6: Final answer
    x = 192,648.10

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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.