Home / 106,916.10-147,538.10-59,166.60

Finding the Fourth Proportional to 106,916.10, 147,538.10 and 59,166.60

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Solution

The fourth proportional to 106,916.10, 147,538.10 and 59,166.60 is: 81,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,916.10 : 147,538.10 = 59,166.60 : x
  2. Step 2: Convert to fraction form
    106,916.10/147,538.10 = 59,166.60/x
  3. Step 3: Cross multiply
    106,916.10x = 147,538.10 × 59,166.60
  4. Step 4: Simplify right side
    106,916.10x = 8,729,327,747.46
  5. Step 5: Solve for x
    x = 8,729,327,747.46/106,916.10
  6. Step 6: Final answer
    x = 81,646.52

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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.