Home / 371,607.66-557,432.69-105,347.25

Finding the Fourth Proportional to 371,607.66, 557,432.69 and 105,347.25

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Solution

The fourth proportional to 371,607.66, 557,432.69 and 105,347.25 is: 158,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,607.66 : 557,432.69 = 105,347.25 : x
  2. Step 2: Convert to fraction form
    371,607.66/557,432.69 = 105,347.25/x
  3. Step 3: Cross multiply
    371,607.66x = 557,432.69 × 105,347.25
  4. Step 4: Simplify right side
    371,607.66x = 58,724,000,424.87
  5. Step 5: Solve for x
    x = 58,724,000,424.87/371,607.66
  6. Step 6: Final answer
    x = 158,026.88

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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.