Home / 384,036.02-575,984.79-103,487.78

Finding the Fourth Proportional to 384,036.02, 575,984.79 and 103,487.78

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Solution

The fourth proportional to 384,036.02, 575,984.79 and 103,487.78 is: 155,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,036.02 : 575,984.79 = 103,487.78 : x
  2. Step 2: Convert to fraction form
    384,036.02/575,984.79 = 103,487.78/x
  3. Step 3: Cross multiply
    384,036.02x = 575,984.79 × 103,487.78
  4. Step 4: Simplify right side
    384,036.02x = 59,607,387,230.87
  5. Step 5: Solve for x
    x = 59,607,387,230.87/384,036.02
  6. Step 6: Final answer
    x = 155,213.01

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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.