Home / 371,381.12-556,527.36-230,713.28

Finding the Fourth Proportional to 371,381.12, 556,527.36 and 230,713.28

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Solution

The fourth proportional to 371,381.12, 556,527.36 and 230,713.28 is: 345,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,381.12 : 556,527.36 = 230,713.28 : x
  2. Step 2: Convert to fraction form
    371,381.12/556,527.36 = 230,713.28/x
  3. Step 3: Cross multiply
    371,381.12x = 556,527.36 × 230,713.28
  4. Step 4: Simplify right side
    371,381.12x = 128,398,252,635.34
  5. Step 5: Solve for x
    x = 128,398,252,635.34/371,381.12
  6. Step 6: Final answer
    x = 345,731.77

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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.