Home / 155,166.84-214,139.40-116,858.80

Finding the Fourth Proportional to 155,166.84, 214,139.40 and 116,858.80

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Solution

The fourth proportional to 155,166.84, 214,139.40 and 116,858.80 is: 161,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,166.84 : 214,139.40 = 116,858.80 : x
  2. Step 2: Convert to fraction form
    155,166.84/214,139.40 = 116,858.80/x
  3. Step 3: Cross multiply
    155,166.84x = 214,139.40 × 116,858.80
  4. Step 4: Simplify right side
    155,166.84x = 25,024,073,146.17
  5. Step 5: Solve for x
    x = 25,024,073,146.17/155,166.84
  6. Step 6: Final answer
    x = 161,272.04

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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.