Home / 157,369.16-236,123.52-82,471.50

Finding the Fourth Proportional to 157,369.16, 236,123.52 and 82,471.50

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Solution

The fourth proportional to 157,369.16, 236,123.52 and 82,471.50 is: 123,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,369.16 : 236,123.52 = 82,471.50 : x
  2. Step 2: Convert to fraction form
    157,369.16/236,123.52 = 82,471.50/x
  3. Step 3: Cross multiply
    157,369.16x = 236,123.52 × 82,471.50
  4. Step 4: Simplify right side
    157,369.16x = 19,473,460,570.41
  5. Step 5: Solve for x
    x = 19,473,460,570.41/157,369.16
  6. Step 6: Final answer
    x = 123,743.82

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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.