Home / 237,477.78-356,172.12-119,117.34

Finding the Fourth Proportional to 237,477.78, 356,172.12 and 119,117.34

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Solution

The fourth proportional to 237,477.78, 356,172.12 and 119,117.34 is: 178,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,477.78 : 356,172.12 = 119,117.34 : x
  2. Step 2: Convert to fraction form
    237,477.78/356,172.12 = 119,117.34/x
  3. Step 3: Cross multiply
    237,477.78x = 356,172.12 × 119,117.34
  4. Step 4: Simplify right side
    237,477.78x = 42,426,275,516.56
  5. Step 5: Solve for x
    x = 42,426,275,516.56/237,477.78
  6. Step 6: Final answer
    x = 178,653.66

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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.