Home / 106,980.27-147,498.77-68,672.23

Finding the Fourth Proportional to 106,980.27, 147,498.77 and 68,672.23

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Solution

The fourth proportional to 106,980.27, 147,498.77 and 68,672.23 is: 94,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,980.27 : 147,498.77 = 68,672.23 : x
  2. Step 2: Convert to fraction form
    106,980.27/147,498.77 = 68,672.23/x
  3. Step 3: Cross multiply
    106,980.27x = 147,498.77 × 68,672.23
  4. Step 4: Simplify right side
    106,980.27x = 10,129,069,458.16
  5. Step 5: Solve for x
    x = 10,129,069,458.16/106,980.27
  6. Step 6: Final answer
    x = 94,681.66

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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.