Home / 157,941.57-236,825.60-77,803.21

Finding the Fourth Proportional to 157,941.57, 236,825.60 and 77,803.21

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Solution

The fourth proportional to 157,941.57, 236,825.60 and 77,803.21 is: 116,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,941.57 : 236,825.60 = 77,803.21 : x
  2. Step 2: Convert to fraction form
    157,941.57/236,825.60 = 77,803.21/x
  3. Step 3: Cross multiply
    157,941.57x = 236,825.60 × 77,803.21
  4. Step 4: Simplify right side
    157,941.57x = 18,425,791,890.18
  5. Step 5: Solve for x
    x = 18,425,791,890.18/157,941.57
  6. Step 6: Final answer
    x = 116,662.08

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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.