Home / 132,690.84-183,151.98-106,019.16

Finding the Fourth Proportional to 132,690.84, 183,151.98 and 106,019.16

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Solution

The fourth proportional to 132,690.84, 183,151.98 and 106,019.16 is: 146,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,690.84 : 183,151.98 = 106,019.16 : x
  2. Step 2: Convert to fraction form
    132,690.84/183,151.98 = 106,019.16/x
  3. Step 3: Cross multiply
    132,690.84x = 183,151.98 × 106,019.16
  4. Step 4: Simplify right side
    132,690.84x = 19,417,619,071.94
  5. Step 5: Solve for x
    x = 19,417,619,071.94/132,690.84
  6. Step 6: Final answer
    x = 146,337.30

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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.