Home / 132,679.84-183,136.80-106,008.16

Finding the Fourth Proportional to 132,679.84, 183,136.80 and 106,008.16

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Solution

The fourth proportional to 132,679.84, 183,136.80 and 106,008.16 is: 146,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,679.84 : 183,136.80 = 106,008.16 : x
  2. Step 2: Convert to fraction form
    132,679.84/183,136.80 = 106,008.16/x
  3. Step 3: Cross multiply
    132,679.84x = 183,136.80 × 106,008.16
  4. Step 4: Simplify right side
    132,679.84x = 19,413,995,196.29
  5. Step 5: Solve for x
    x = 19,413,995,196.29/132,679.84
  6. Step 6: Final answer
    x = 146,322.12

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1.5x scale

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.