Home / 124,211.90-186,291.72-39,979.59

Finding the Fourth Proportional to 124,211.90, 186,291.72 and 39,979.59

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Solution

The fourth proportional to 124,211.90, 186,291.72 and 39,979.59 is: 59,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.90 : 186,291.72 = 39,979.59 : x
  2. Step 2: Convert to fraction form
    124,211.90/186,291.72 = 39,979.59/x
  3. Step 3: Cross multiply
    124,211.90x = 186,291.72 × 39,979.59
  4. Step 4: Simplify right side
    124,211.90x = 7,447,866,585.99
  5. Step 5: Solve for x
    x = 7,447,866,585.99/124,211.90
  6. Step 6: Final answer
    x = 59,960.98

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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.