Home / 147,015.96-202,901.40-143,012.94

Finding the Fourth Proportional to 147,015.96, 202,901.40 and 143,012.94

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Solution

The fourth proportional to 147,015.96, 202,901.40 and 143,012.94 is: 197,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015.96 : 202,901.40 = 143,012.94 : x
  2. Step 2: Convert to fraction form
    147,015.96/202,901.40 = 143,012.94/x
  3. Step 3: Cross multiply
    147,015.96x = 202,901.40 × 143,012.94
  4. Step 4: Simplify right side
    147,015.96x = 29,017,525,744.12
  5. Step 5: Solve for x
    x = 29,017,525,744.12/147,015.96
  6. Step 6: Final answer
    x = 197,376.70

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1.5x scale

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.