Home / 134,897.80-202,217.10-104,895.40

Finding the Fourth Proportional to 134,897.80, 202,217.10 and 104,895.40

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Solution

The fourth proportional to 134,897.80, 202,217.10 and 104,895.40 is: 157,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.80 : 202,217.10 = 104,895.40 : x
  2. Step 2: Convert to fraction form
    134,897.80/202,217.10 = 104,895.40/x
  3. Step 3: Cross multiply
    134,897.80x = 202,217.10 × 104,895.40
  4. Step 4: Simplify right side
    134,897.80x = 21,211,643,591.34
  5. Step 5: Solve for x
    x = 21,211,643,591.34/134,897.80
  6. Step 6: Final answer
    x = 157,242.32

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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.