Home / 187,964.04-259,389.18-107,416.20

Finding the Fourth Proportional to 187,964.04, 259,389.18 and 107,416.20

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Solution

The fourth proportional to 187,964.04, 259,389.18 and 107,416.20 is: 148,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,964.04 : 259,389.18 = 107,416.20 : x
  2. Step 2: Convert to fraction form
    187,964.04/259,389.18 = 107,416.20/x
  3. Step 3: Cross multiply
    187,964.04x = 259,389.18 × 107,416.20
  4. Step 4: Simplify right side
    187,964.04x = 27,862,600,036.72
  5. Step 5: Solve for x
    x = 27,862,600,036.72/187,964.04
  6. Step 6: Final answer
    x = 148,233.67

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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.