Home / 127,907.44-176,513.04-71,322.40

Finding the Fourth Proportional to 127,907.44, 176,513.04 and 71,322.40

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Solution

The fourth proportional to 127,907.44, 176,513.04 and 71,322.40 is: 98,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907.44 : 176,513.04 = 71,322.40 : x
  2. Step 2: Convert to fraction form
    127,907.44/176,513.04 = 71,322.40/x
  3. Step 3: Cross multiply
    127,907.44x = 176,513.04 × 71,322.40
  4. Step 4: Simplify right side
    127,907.44x = 12,589,333,644.10
  5. Step 5: Solve for x
    x = 12,589,333,644.10/127,907.44
  6. Step 6: Final answer
    x = 98,425.34

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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.