Home / 124,427.80-186,665.70-53,349.40

Finding the Fourth Proportional to 124,427.80, 186,665.70 and 53,349.40

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Solution

The fourth proportional to 124,427.80, 186,665.70 and 53,349.40 is: 80,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427.80 : 186,665.70 = 53,349.40 : x
  2. Step 2: Convert to fraction form
    124,427.80/186,665.70 = 53,349.40/x
  3. Step 3: Cross multiply
    124,427.80x = 186,665.70 × 53,349.40
  4. Step 4: Simplify right side
    124,427.80x = 9,958,503,095.58
  5. Step 5: Solve for x
    x = 9,958,503,095.58/124,427.80
  6. Step 6: Final answer
    x = 80,034.39

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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.