Home / 389,293.16-583,938.46-93,805.16

Finding the Fourth Proportional to 389,293.16, 583,938.46 and 93,805.16

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Solution

The fourth proportional to 389,293.16, 583,938.46 and 93,805.16 is: 140,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,293.16 : 583,938.46 = 93,805.16 : x
  2. Step 2: Convert to fraction form
    389,293.16/583,938.46 = 93,805.16/x
  3. Step 3: Cross multiply
    389,293.16x = 583,938.46 × 93,805.16
  4. Step 4: Simplify right side
    389,293.16x = 54,776,440,670.45
  5. Step 5: Solve for x
    x = 54,776,440,670.45/389,293.16
  6. Step 6: Final answer
    x = 140,707.43

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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.