Home / 147,382.50-203,420.67-93,657.03

Finding the Fourth Proportional to 147,382.50, 203,420.67 and 93,657.03

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Solution

The fourth proportional to 147,382.50, 203,420.67 and 93,657.03 is: 129,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,382.50 : 203,420.67 = 93,657.03 : x
  2. Step 2: Convert to fraction form
    147,382.50/203,420.67 = 93,657.03/x
  3. Step 3: Cross multiply
    147,382.50x = 203,420.67 × 93,657.03
  4. Step 4: Simplify right side
    147,382.50x = 19,051,775,792.81
  5. Step 5: Solve for x
    x = 19,051,775,792.81/147,382.50
  6. Step 6: Final answer
    x = 129,267.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.