Home / 157,483.54-236,176.81-45,133.63

Finding the Fourth Proportional to 157,483.54, 236,176.81 and 45,133.63

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Solution

The fourth proportional to 157,483.54, 236,176.81 and 45,133.63 is: 67,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,483.54 : 236,176.81 = 45,133.63 : x
  2. Step 2: Convert to fraction form
    157,483.54/236,176.81 = 45,133.63/x
  3. Step 3: Cross multiply
    157,483.54x = 236,176.81 × 45,133.63
  4. Step 4: Simplify right side
    157,483.54x = 10,659,516,757.12
  5. Step 5: Solve for x
    x = 10,659,516,757.12/157,483.54
  6. Step 6: Final answer
    x = 67,686.55

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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.