Home / 384,157.02-576,220.95-103,681.56

Finding the Fourth Proportional to 384,157.02, 576,220.95 and 103,681.56

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Solution

The fourth proportional to 384,157.02, 576,220.95 and 103,681.56 is: 155,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,157.02 : 576,220.95 = 103,681.56 : x
  2. Step 2: Convert to fraction form
    384,157.02/576,220.95 = 103,681.56/x
  3. Step 3: Cross multiply
    384,157.02x = 576,220.95 × 103,681.56
  4. Step 4: Simplify right side
    384,157.02x = 59,743,487,000.68
  5. Step 5: Solve for x
    x = 59,743,487,000.68/384,157.02
  6. Step 6: Final answer
    x = 155,518.40

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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.