Home / 136,041.93-187,309.06-123,430.58

Finding the Fourth Proportional to 136,041.93, 187,309.06 and 123,430.58

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Solution

The fourth proportional to 136,041.93, 187,309.06 and 123,430.58 is: 169,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,041.93 : 187,309.06 = 123,430.58 : x
  2. Step 2: Convert to fraction form
    136,041.93/187,309.06 = 123,430.58/x
  3. Step 3: Cross multiply
    136,041.93x = 187,309.06 × 123,430.58
  4. Step 4: Simplify right side
    136,041.93x = 23,119,666,425.96
  5. Step 5: Solve for x
    x = 23,119,666,425.96/136,041.93
  6. Step 6: Final answer
    x = 169,945.15

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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.