Home / 116,260.94-160,438.70-65,272.41

Finding the Fourth Proportional to 116,260.94, 160,438.70 and 65,272.41

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Solution

The fourth proportional to 116,260.94, 160,438.70 and 65,272.41 is: 90,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,260.94 : 160,438.70 = 65,272.41 : x
  2. Step 2: Convert to fraction form
    116,260.94/160,438.70 = 65,272.41/x
  3. Step 3: Cross multiply
    116,260.94x = 160,438.70 × 65,272.41
  4. Step 4: Simplify right side
    116,260.94x = 10,472,220,279.91
  5. Step 5: Solve for x
    x = 10,472,220,279.91/116,260.94
  6. Step 6: Final answer
    x = 90,075.14

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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.