Home / 187,036.48-257,939.40-146,206

Finding the Fourth Proportional to 187,036.48, 257,939.40 and 146,206

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Solution

The fourth proportional to 187,036.48, 257,939.40 and 146,206 is: 201,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,036.48 : 257,939.40 = 146,206 : x
  2. Step 2: Convert to fraction form
    187,036.48/257,939.40 = 146,206/x
  3. Step 3: Cross multiply
    187,036.48x = 257,939.40 × 146,206
  4. Step 4: Simplify right side
    187,036.48x = 37,712,287,916.40
  5. Step 5: Solve for x
    x = 37,712,287,916.40/187,036.48
  6. Step 6: Final answer
    x = 201,630.65

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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.