Home / 237,865.82-328,426.99-153,130.50

Finding the Fourth Proportional to 237,865.82, 328,426.99 and 153,130.50

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Solution

The fourth proportional to 237,865.82, 328,426.99 and 153,130.50 is: 211,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,865.82 : 328,426.99 = 153,130.50 : x
  2. Step 2: Convert to fraction form
    237,865.82/328,426.99 = 153,130.50/x
  3. Step 3: Cross multiply
    237,865.82x = 328,426.99 × 153,130.50
  4. Step 4: Simplify right side
    237,865.82x = 50,292,188,809.37
  5. Step 5: Solve for x
    x = 50,292,188,809.37/237,865.82
  6. Step 6: Final answer
    x = 211,430.92

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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.