Home / 115,988.04-160,048.56-68,223.96

Finding the Fourth Proportional to 115,988.04, 160,048.56 and 68,223.96

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Solution

The fourth proportional to 115,988.04, 160,048.56 and 68,223.96 is: 94,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,988.04 : 160,048.56 = 68,223.96 : x
  2. Step 2: Convert to fraction form
    115,988.04/160,048.56 = 68,223.96/x
  3. Step 3: Cross multiply
    115,988.04x = 160,048.56 × 68,223.96
  4. Step 4: Simplify right side
    115,988.04x = 10,919,146,555.50
  5. Step 5: Solve for x
    x = 10,919,146,555.50/115,988.04
  6. Step 6: Final answer
    x = 94,140.28

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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.