Home / 119,048.49-164,274.95-71,300.61

Finding the Fourth Proportional to 119,048.49, 164,274.95 and 71,300.61

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Solution

The fourth proportional to 119,048.49, 164,274.95 and 71,300.61 is: 98,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,048.49 : 164,274.95 = 71,300.61 : x
  2. Step 2: Convert to fraction form
    119,048.49/164,274.95 = 71,300.61/x
  3. Step 3: Cross multiply
    119,048.49x = 164,274.95 × 71,300.61
  4. Step 4: Simplify right side
    119,048.49x = 11,712,904,320.97
  5. Step 5: Solve for x
    x = 11,712,904,320.97/119,048.49
  6. Step 6: Final answer
    x = 98,387.68

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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.