Home / 115,491.40-173,237.10-70,973.80

Finding the Fourth Proportional to 115,491.40, 173,237.10 and 70,973.80

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Solution

The fourth proportional to 115,491.40, 173,237.10 and 70,973.80 is: 106,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,491.40 : 173,237.10 = 70,973.80 : x
  2. Step 2: Convert to fraction form
    115,491.40/173,237.10 = 70,973.80/x
  3. Step 3: Cross multiply
    115,491.40x = 173,237.10 × 70,973.80
  4. Step 4: Simplify right side
    115,491.40x = 12,295,295,287.98
  5. Step 5: Solve for x
    x = 12,295,295,287.98/115,491.40
  6. Step 6: Final answer
    x = 106,460.70

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1.5x scale

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.