Home / 132,136.49-182,349.69-71,707.65

Finding the Fourth Proportional to 132,136.49, 182,349.69 and 71,707.65

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Solution

The fourth proportional to 132,136.49, 182,349.69 and 71,707.65 is: 98,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,136.49 : 182,349.69 = 71,707.65 : x
  2. Step 2: Convert to fraction form
    132,136.49/182,349.69 = 71,707.65/x
  3. Step 3: Cross multiply
    132,136.49x = 182,349.69 × 71,707.65
  4. Step 4: Simplify right side
    132,136.49x = 13,075,868,838.18
  5. Step 5: Solve for x
    x = 13,075,868,838.18/132,136.49
  6. Step 6: Final answer
    x = 98,957.29

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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.