Home / 235,269.86-324,671.70-127,840.22

Finding the Fourth Proportional to 235,269.86, 324,671.70 and 127,840.22

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Solution

The fourth proportional to 235,269.86, 324,671.70 and 127,840.22 is: 176,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,269.86 : 324,671.70 = 127,840.22 : x
  2. Step 2: Convert to fraction form
    235,269.86/324,671.70 = 127,840.22/x
  3. Step 3: Cross multiply
    235,269.86x = 324,671.70 × 127,840.22
  4. Step 4: Simplify right side
    235,269.86x = 41,506,101,555.77
  5. Step 5: Solve for x
    x = 41,506,101,555.77/235,269.86
  6. Step 6: Final answer
    x = 176,419.12

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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.