Home / 118,306.89-177,463.58-48,186.81

Finding the Fourth Proportional to 118,306.89, 177,463.58 and 48,186.81

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Solution

The fourth proportional to 118,306.89, 177,463.58 and 48,186.81 is: 72,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.89 : 177,463.58 = 48,186.81 : x
  2. Step 2: Convert to fraction form
    118,306.89/177,463.58 = 48,186.81/x
  3. Step 3: Cross multiply
    118,306.89x = 177,463.58 × 48,186.81
  4. Step 4: Simplify right side
    118,306.89x = 8,551,403,570.45
  5. Step 5: Solve for x
    x = 8,551,403,570.45/118,306.89
  6. Step 6: Final answer
    x = 72,281.53

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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.