Home / 187,779.41-259,127.12-102,894.65

Finding the Fourth Proportional to 187,779.41, 259,127.12 and 102,894.65

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Solution

The fourth proportional to 187,779.41, 259,127.12 and 102,894.65 is: 141,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,779.41 : 259,127.12 = 102,894.65 : x
  2. Step 2: Convert to fraction form
    187,779.41/259,127.12 = 102,894.65/x
  3. Step 3: Cross multiply
    187,779.41x = 259,127.12 × 102,894.65
  4. Step 4: Simplify right side
    187,779.41x = 26,662,793,279.51
  5. Step 5: Solve for x
    x = 26,662,793,279.51/187,779.41
  6. Step 6: Final answer
    x = 141,989.98

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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.