Home / 185,900.17-256,539.65-103,111.63

Finding the Fourth Proportional to 185,900.17, 256,539.65 and 103,111.63

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Solution

The fourth proportional to 185,900.17, 256,539.65 and 103,111.63 is: 142,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,900.17 : 256,539.65 = 103,111.63 : x
  2. Step 2: Convert to fraction form
    185,900.17/256,539.65 = 103,111.63/x
  3. Step 3: Cross multiply
    185,900.17x = 256,539.65 × 103,111.63
  4. Step 4: Simplify right side
    185,900.17x = 26,452,220,153.93
  5. Step 5: Solve for x
    x = 26,452,220,153.93/185,900.17
  6. Step 6: Final answer
    x = 142,292.61

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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.