Home / 185,748.95-256,336.53-105,174.32

Finding the Fourth Proportional to 185,748.95, 256,336.53 and 105,174.32

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Solution

The fourth proportional to 185,748.95, 256,336.53 and 105,174.32 is: 145,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.95 : 256,336.53 = 105,174.32 : x
  2. Step 2: Convert to fraction form
    185,748.95/256,336.53 = 105,174.32/x
  3. Step 3: Cross multiply
    185,748.95x = 256,336.53 × 105,174.32
  4. Step 4: Simplify right side
    185,748.95x = 26,960,020,233.91
  5. Step 5: Solve for x
    x = 26,960,020,233.91/185,748.95
  6. Step 6: Final answer
    x = 145,142.25

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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.