Home / 187,153.17-258,317.37-156,890.55

Finding the Fourth Proportional to 187,153.17, 258,317.37 and 156,890.55

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Solution

The fourth proportional to 187,153.17, 258,317.37 and 156,890.55 is: 216,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,153.17 : 258,317.37 = 156,890.55 : x
  2. Step 2: Convert to fraction form
    187,153.17/258,317.37 = 156,890.55/x
  3. Step 3: Cross multiply
    187,153.17x = 258,317.37 × 156,890.55
  4. Step 4: Simplify right side
    187,153.17x = 40,527,555,222.54
  5. Step 5: Solve for x
    x = 40,527,555,222.54/187,153.17
  6. Step 6: Final answer
    x = 216,547.53

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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.