Home / 158,424.35-237,558.75-78,369.81

Finding the Fourth Proportional to 158,424.35, 237,558.75 and 78,369.81

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Solution

The fourth proportional to 158,424.35, 237,558.75 and 78,369.81 is: 117,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,424.35 : 237,558.75 = 78,369.81 : x
  2. Step 2: Convert to fraction form
    158,424.35/237,558.75 = 78,369.81/x
  3. Step 3: Cross multiply
    158,424.35x = 237,558.75 × 78,369.81
  4. Step 4: Simplify right side
    158,424.35x = 18,617,434,101.34
  5. Step 5: Solve for x
    x = 18,617,434,101.34/158,424.35
  6. Step 6: Final answer
    x = 117,516.24

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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.