Home / 106,681.53-147,220.14-61,357.38

Finding the Fourth Proportional to 106,681.53, 147,220.14 and 61,357.38

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Solution

The fourth proportional to 106,681.53, 147,220.14 and 61,357.38 is: 84,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,681.53 : 147,220.14 = 61,357.38 : x
  2. Step 2: Convert to fraction form
    106,681.53/147,220.14 = 61,357.38/x
  3. Step 3: Cross multiply
    106,681.53x = 147,220.14 × 61,357.38
  4. Step 4: Simplify right side
    106,681.53x = 9,033,042,073.63
  5. Step 5: Solve for x
    x = 9,033,042,073.63/106,681.53
  6. Step 6: Final answer
    x = 84,672.97

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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.