Home / 209,588.67-289,272.21-118,953.12

Finding the Fourth Proportional to 209,588.67, 289,272.21 and 118,953.12

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Solution

The fourth proportional to 209,588.67, 289,272.21 and 118,953.12 is: 164,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,588.67 : 289,272.21 = 118,953.12 : x
  2. Step 2: Convert to fraction form
    209,588.67/289,272.21 = 118,953.12/x
  3. Step 3: Cross multiply
    209,588.67x = 289,272.21 × 118,953.12
  4. Step 4: Simplify right side
    209,588.67x = 34,409,831,908.80
  5. Step 5: Solve for x
    x = 34,409,831,908.80/209,588.67
  6. Step 6: Final answer
    x = 164,177.92

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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.