Home / 187,275.50-258,440.28-102,393.26

Finding the Fourth Proportional to 187,275.50, 258,440.28 and 102,393.26

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Solution

The fourth proportional to 187,275.50, 258,440.28 and 102,393.26 is: 141,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.50 : 258,440.28 = 102,393.26 : x
  2. Step 2: Convert to fraction form
    187,275.50/258,440.28 = 102,393.26/x
  3. Step 3: Cross multiply
    187,275.50x = 258,440.28 × 102,393.26
  4. Step 4: Simplify right side
    187,275.50x = 26,462,542,784.51
  5. Step 5: Solve for x
    x = 26,462,542,784.51/187,275.50
  6. Step 6: Final answer
    x = 141,302.75

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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.