Home / 187,550.52-258,820.16-102,673.05

Finding the Fourth Proportional to 187,550.52, 258,820.16 and 102,673.05

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Solution

The fourth proportional to 187,550.52, 258,820.16 and 102,673.05 is: 141,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,550.52 : 258,820.16 = 102,673.05 : x
  2. Step 2: Convert to fraction form
    187,550.52/258,820.16 = 102,673.05/x
  3. Step 3: Cross multiply
    187,550.52x = 258,820.16 × 102,673.05
  4. Step 4: Simplify right side
    187,550.52x = 26,573,854,715.32
  5. Step 5: Solve for x
    x = 26,573,854,715.32/187,550.52
  6. Step 6: Final answer
    x = 141,689.05

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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.