Home / 210,133.59-289,972.51-119,511.60

Finding the Fourth Proportional to 210,133.59, 289,972.51 and 119,511.60

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Solution

The fourth proportional to 210,133.59, 289,972.51 and 119,511.60 is: 164,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,133.59 : 289,972.51 = 119,511.60 : x
  2. Step 2: Convert to fraction form
    210,133.59/289,972.51 = 119,511.60/x
  3. Step 3: Cross multiply
    210,133.59x = 289,972.51 × 119,511.60
  4. Step 4: Simplify right side
    210,133.59x = 34,655,078,626.12
  5. Step 5: Solve for x
    x = 34,655,078,626.12/210,133.59
  6. Step 6: Final answer
    x = 164,919.27

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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.