Home / 187,365.66-258,689.43-110,909.58

Finding the Fourth Proportional to 187,365.66, 258,689.43 and 110,909.58

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Solution

The fourth proportional to 187,365.66, 258,689.43 and 110,909.58 is: 153,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,365.66 : 258,689.43 = 110,909.58 : x
  2. Step 2: Convert to fraction form
    187,365.66/258,689.43 = 110,909.58/x
  3. Step 3: Cross multiply
    187,365.66x = 258,689.43 × 110,909.58
  4. Step 4: Simplify right side
    187,365.66x = 28,691,136,031.74
  5. Step 5: Solve for x
    x = 28,691,136,031.74/187,365.66
  6. Step 6: Final answer
    x = 153,129.11

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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.