Home / 157,338.64-217,133.22-89,352.10

Finding the Fourth Proportional to 157,338.64, 217,133.22 and 89,352.10

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Solution

The fourth proportional to 157,338.64, 217,133.22 and 89,352.10 is: 123,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,338.64 : 217,133.22 = 89,352.10 : x
  2. Step 2: Convert to fraction form
    157,338.64/217,133.22 = 89,352.10/x
  3. Step 3: Cross multiply
    157,338.64x = 217,133.22 × 89,352.10
  4. Step 4: Simplify right side
    157,338.64x = 19,401,309,186.76
  5. Step 5: Solve for x
    x = 19,401,309,186.76/157,338.64
  6. Step 6: Final answer
    x = 123,309.25

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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.