Home / 155,616.70-233,425.05-76,884.70

Finding the Fourth Proportional to 155,616.70, 233,425.05 and 76,884.70

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Solution

The fourth proportional to 155,616.70, 233,425.05 and 76,884.70 is: 115,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,616.70 : 233,425.05 = 76,884.70 : x
  2. Step 2: Convert to fraction form
    155,616.70/233,425.05 = 76,884.70/x
  3. Step 3: Cross multiply
    155,616.70x = 233,425.05 × 76,884.70
  4. Step 4: Simplify right side
    155,616.70x = 17,946,814,941.74
  5. Step 5: Solve for x
    x = 17,946,814,941.74/155,616.70
  6. Step 6: Final answer
    x = 115,327.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.