Home / 235,089.47-324,506.25-139,595.49

Finding the Fourth Proportional to 235,089.47, 324,506.25 and 139,595.49

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Solution

The fourth proportional to 235,089.47, 324,506.25 and 139,595.49 is: 192,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,089.47 : 324,506.25 = 139,595.49 : x
  2. Step 2: Convert to fraction form
    235,089.47/324,506.25 = 139,595.49/x
  3. Step 3: Cross multiply
    235,089.47x = 324,506.25 × 139,595.49
  4. Step 4: Simplify right side
    235,089.47x = 45,299,608,976.81
  5. Step 5: Solve for x
    x = 45,299,608,976.81/235,089.47
  6. Step 6: Final answer
    x = 192,690.93

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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.