Home / 208,795.24-288,151.78-118,151.08

Finding the Fourth Proportional to 208,795.24, 288,151.78 and 118,151.08

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Solution

The fourth proportional to 208,795.24, 288,151.78 and 118,151.08 is: 163,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,795.24 : 288,151.78 = 118,151.08 : x
  2. Step 2: Convert to fraction form
    208,795.24/288,151.78 = 118,151.08/x
  3. Step 3: Cross multiply
    208,795.24x = 288,151.78 × 118,151.08
  4. Step 4: Simplify right side
    208,795.24x = 34,045,444,010.92
  5. Step 5: Solve for x
    x = 34,045,444,010.92/208,795.24
  6. Step 6: Final answer
    x = 163,056.61

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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.