Home / 125,473.09-188,180.92-74,886.40

Finding the Fourth Proportional to 125,473.09, 188,180.92 and 74,886.40

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Solution

The fourth proportional to 125,473.09, 188,180.92 and 74,886.40 is: 112,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473.09 : 188,180.92 = 74,886.40 : x
  2. Step 2: Convert to fraction form
    125,473.09/188,180.92 = 74,886.40/x
  3. Step 3: Cross multiply
    125,473.09x = 188,180.92 × 74,886.40
  4. Step 4: Simplify right side
    125,473.09x = 14,092,190,519.37
  5. Step 5: Solve for x
    x = 14,092,190,519.37/125,473.09
  6. Step 6: Final answer
    x = 112,312.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.