Home / 125,246.25-172,840.23-67,886.51

Finding the Fourth Proportional to 125,246.25, 172,840.23 and 67,886.51

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Solution

The fourth proportional to 125,246.25, 172,840.23 and 67,886.51 is: 93,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,246.25 : 172,840.23 = 67,886.51 : x
  2. Step 2: Convert to fraction form
    125,246.25/172,840.23 = 67,886.51/x
  3. Step 3: Cross multiply
    125,246.25x = 172,840.23 × 67,886.51
  4. Step 4: Simplify right side
    125,246.25x = 11,733,519,138.10
  5. Step 5: Solve for x
    x = 11,733,519,138.10/125,246.25
  6. Step 6: Final answer
    x = 93,683.60

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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.