Home / 127,564.98-176,064.04-84,468.45

Finding the Fourth Proportional to 127,564.98, 176,064.04 and 84,468.45

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Solution

The fourth proportional to 127,564.98, 176,064.04 and 84,468.45 is: 116,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564.98 : 176,064.04 = 84,468.45 : x
  2. Step 2: Convert to fraction form
    127,564.98/176,064.04 = 84,468.45/x
  3. Step 3: Cross multiply
    127,564.98x = 176,064.04 × 84,468.45
  4. Step 4: Simplify right side
    127,564.98x = 14,871,856,559.54
  5. Step 5: Solve for x
    x = 14,871,856,559.54/127,564.98
  6. Step 6: Final answer
    x = 116,582.60

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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.