Home / 313,918.61-433,205.49-170,678.69

Finding the Fourth Proportional to 313,918.61, 433,205.49 and 170,678.69

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Solution

The fourth proportional to 313,918.61, 433,205.49 and 170,678.69 is: 235,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918.61 : 433,205.49 = 170,678.69 : x
  2. Step 2: Convert to fraction form
    313,918.61/433,205.49 = 170,678.69/x
  3. Step 3: Cross multiply
    313,918.61x = 433,205.49 × 170,678.69
  4. Step 4: Simplify right side
    313,918.61x = 73,938,945,534.01
  5. Step 5: Solve for x
    x = 73,938,945,534.01/313,918.61
  6. Step 6: Final answer
    x = 235,535.40

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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.