Home / 262,088.49-393,133.24-72,549.40

Finding the Fourth Proportional to 262,088.49, 393,133.24 and 72,549.40

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Solution

The fourth proportional to 262,088.49, 393,133.24 and 72,549.40 is: 108,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,088.49 : 393,133.24 = 72,549.40 : x
  2. Step 2: Convert to fraction form
    262,088.49/393,133.24 = 72,549.40/x
  3. Step 3: Cross multiply
    262,088.49x = 393,133.24 × 72,549.40
  4. Step 4: Simplify right side
    262,088.49x = 28,521,579,370.34
  5. Step 5: Solve for x
    x = 28,521,579,370.34/262,088.49
  6. Step 6: Final answer
    x = 108,824.24

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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.