Home / 170,206.95-234,986.90-151,289.40

Finding the Fourth Proportional to 170,206.95, 234,986.90 and 151,289.40

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Solution

The fourth proportional to 170,206.95, 234,986.90 and 151,289.40 is: 208,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,206.95 : 234,986.90 = 151,289.40 : x
  2. Step 2: Convert to fraction form
    170,206.95/234,986.90 = 151,289.40/x
  3. Step 3: Cross multiply
    170,206.95x = 234,986.90 × 151,289.40
  4. Step 4: Simplify right side
    170,206.95x = 35,551,026,352.41
  5. Step 5: Solve for x
    x = 35,551,026,352.41/170,206.95
  6. Step 6: Final answer
    x = 208,869.42

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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.