Home / 147,374.49-221,040.14-72,474.50

Finding the Fourth Proportional to 147,374.49, 221,040.14 and 72,474.50

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Solution

The fourth proportional to 147,374.49, 221,040.14 and 72,474.50 is: 108,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374.49 : 221,040.14 = 72,474.50 : x
  2. Step 2: Convert to fraction form
    147,374.49/221,040.14 = 72,474.50/x
  3. Step 3: Cross multiply
    147,374.49x = 221,040.14 × 72,474.50
  4. Step 4: Simplify right side
    147,374.49x = 16,019,772,980.98
  5. Step 5: Solve for x
    x = 16,019,772,980.98/147,374.49
  6. Step 6: Final answer
    x = 108,701.13

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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.