Home / 134,886.49-186,143.39-74,457.17

Finding the Fourth Proportional to 134,886.49, 186,143.39 and 74,457.17

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Solution

The fourth proportional to 134,886.49, 186,143.39 and 74,457.17 is: 102,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.49 : 186,143.39 = 74,457.17 : x
  2. Step 2: Convert to fraction form
    134,886.49/186,143.39 = 74,457.17/x
  3. Step 3: Cross multiply
    134,886.49x = 186,143.39 × 74,457.17
  4. Step 4: Simplify right side
    134,886.49x = 13,859,710,033.61
  5. Step 5: Solve for x
    x = 13,859,710,033.61/134,886.49
  6. Step 6: Final answer
    x = 102,750.92

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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.