Home / 187,536.16-281,303.40-76,728.16

Finding the Fourth Proportional to 187,536.16, 281,303.40 and 76,728.16

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Solution

The fourth proportional to 187,536.16, 281,303.40 and 76,728.16 is: 115,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536.16 : 281,303.40 = 76,728.16 : x
  2. Step 2: Convert to fraction form
    187,536.16/281,303.40 = 76,728.16/x
  3. Step 3: Cross multiply
    187,536.16x = 281,303.40 × 76,728.16
  4. Step 4: Simplify right side
    187,536.16x = 21,583,892,283.74
  5. Step 5: Solve for x
    x = 21,583,892,283.74/187,536.16
  6. Step 6: Final answer
    x = 115,091.90

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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.