Home / 106,574.47-147,083.56-91,516.98

Finding the Fourth Proportional to 106,574.47, 147,083.56 and 91,516.98

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Solution

The fourth proportional to 106,574.47, 147,083.56 and 91,516.98 is: 126,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.47 : 147,083.56 = 91,516.98 : x
  2. Step 2: Convert to fraction form
    106,574.47/147,083.56 = 91,516.98/x
  3. Step 3: Cross multiply
    106,574.47x = 147,083.56 × 91,516.98
  4. Step 4: Simplify right side
    106,574.47x = 13,460,643,218.85
  5. Step 5: Solve for x
    x = 13,460,643,218.85/106,574.47
  6. Step 6: Final answer
    x = 126,302.70

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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.