Home / 151,031.23-208,418.70-83,048.14

Finding the Fourth Proportional to 151,031.23, 208,418.70 and 83,048.14

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Solution

The fourth proportional to 151,031.23, 208,418.70 and 83,048.14 is: 114,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.23 : 208,418.70 = 83,048.14 : x
  2. Step 2: Convert to fraction form
    151,031.23/208,418.70 = 83,048.14/x
  3. Step 3: Cross multiply
    151,031.23x = 208,418.70 × 83,048.14
  4. Step 4: Simplify right side
    151,031.23x = 17,308,784,075.10
  5. Step 5: Solve for x
    x = 17,308,784,075.10/151,031.23
  6. Step 6: Final answer
    x = 114,604.00

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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.