Home / 127,913.90-176,518.94-70,558.46

Finding the Fourth Proportional to 127,913.90, 176,518.94 and 70,558.46

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Solution

The fourth proportional to 127,913.90, 176,518.94 and 70,558.46 is: 97,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,913.90 : 176,518.94 = 70,558.46 : x
  2. Step 2: Convert to fraction form
    127,913.90/176,518.94 = 70,558.46/x
  3. Step 3: Cross multiply
    127,913.90x = 176,518.94 × 70,558.46
  4. Step 4: Simplify right side
    127,913.90x = 12,454,903,331.85
  5. Step 5: Solve for x
    x = 12,454,903,331.85/127,913.90
  6. Step 6: Final answer
    x = 97,369.43

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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.