Home / 187,515.36-281,386.32-98,834.40

Finding the Fourth Proportional to 187,515.36, 281,386.32 and 98,834.40

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Solution

The fourth proportional to 187,515.36, 281,386.32 and 98,834.40 is: 148,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515.36 : 281,386.32 = 98,834.40 : x
  2. Step 2: Convert to fraction form
    187,515.36/281,386.32 = 98,834.40/x
  3. Step 3: Cross multiply
    187,515.36x = 281,386.32 × 98,834.40
  4. Step 4: Simplify right side
    187,515.36x = 27,810,648,105.41
  5. Step 5: Solve for x
    x = 27,810,648,105.41/187,515.36
  6. Step 6: Final answer
    x = 148,311.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.