Home / 126,702.18-174,839.85-70,114.50

Finding the Fourth Proportional to 126,702.18, 174,839.85 and 70,114.50

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Solution

The fourth proportional to 126,702.18, 174,839.85 and 70,114.50 is: 96,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,702.18 : 174,839.85 = 70,114.50 : x
  2. Step 2: Convert to fraction form
    126,702.18/174,839.85 = 70,114.50/x
  3. Step 3: Cross multiply
    126,702.18x = 174,839.85 × 70,114.50
  4. Step 4: Simplify right side
    126,702.18x = 12,258,808,662.83
  5. Step 5: Solve for x
    x = 12,258,808,662.83/126,702.18
  6. Step 6: Final answer
    x = 96,752.94

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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.