Home / 187,357.16-258,559.05-102,474.21

Finding the Fourth Proportional to 187,357.16, 258,559.05 and 102,474.21

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Solution

The fourth proportional to 187,357.16, 258,559.05 and 102,474.21 is: 141,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,357.16 : 258,559.05 = 102,474.21 : x
  2. Step 2: Convert to fraction form
    187,357.16/258,559.05 = 102,474.21/x
  3. Step 3: Cross multiply
    187,357.16x = 258,559.05 × 102,474.21
  4. Step 4: Simplify right side
    187,357.16x = 26,495,634,387.10
  5. Step 5: Solve for x
    x = 26,495,634,387.10/187,357.16
  6. Step 6: Final answer
    x = 141,417.79

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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.