Home / 201,802.23-278,424.20-114,573.06

Finding the Fourth Proportional to 201,802.23, 278,424.20 and 114,573.06

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Solution

The fourth proportional to 201,802.23, 278,424.20 and 114,573.06 is: 158,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,802.23 : 278,424.20 = 114,573.06 : x
  2. Step 2: Convert to fraction form
    201,802.23/278,424.20 = 114,573.06/x
  3. Step 3: Cross multiply
    201,802.23x = 278,424.20 × 114,573.06
  4. Step 4: Simplify right side
    201,802.23x = 31,899,912,858.48
  5. Step 5: Solve for x
    x = 31,899,912,858.48/201,802.23
  6. Step 6: Final answer
    x = 158,075.13

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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.