Home / 115,315.04-159,130.90-67,567.37

Finding the Fourth Proportional to 115,315.04, 159,130.90 and 67,567.37

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Solution

The fourth proportional to 115,315.04, 159,130.90 and 67,567.37 is: 93,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,315.04 : 159,130.90 = 67,567.37 : x
  2. Step 2: Convert to fraction form
    115,315.04/159,130.90 = 67,567.37/x
  3. Step 3: Cross multiply
    115,315.04x = 159,130.90 × 67,567.37
  4. Step 4: Simplify right side
    115,315.04x = 10,752,055,877.57
  5. Step 5: Solve for x
    x = 10,752,055,877.57/115,315.04
  6. Step 6: Final answer
    x = 93,240.71

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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.