Home / 187,638.04-258,938.55-101,595.54

Finding the Fourth Proportional to 187,638.04, 258,938.55 and 101,595.54

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Solution

The fourth proportional to 187,638.04, 258,938.55 and 101,595.54 is: 140,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.04 : 258,938.55 = 101,595.54 : x
  2. Step 2: Convert to fraction form
    187,638.04/258,938.55 = 101,595.54/x
  3. Step 3: Cross multiply
    187,638.04x = 258,938.55 × 101,595.54
  4. Step 4: Simplify right side
    187,638.04x = 26,307,001,814.07
  5. Step 5: Solve for x
    x = 26,307,001,814.07/187,638.04
  6. Step 6: Final answer
    x = 140,200.79

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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.