Home / 177,040.19-265,601.79-70,430.18

Finding the Fourth Proportional to 177,040.19, 265,601.79 and 70,430.18

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Solution

The fourth proportional to 177,040.19, 265,601.79 and 70,430.18 is: 105,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,040.19 : 265,601.79 = 70,430.18 : x
  2. Step 2: Convert to fraction form
    177,040.19/265,601.79 = 70,430.18/x
  3. Step 3: Cross multiply
    177,040.19x = 265,601.79 × 70,430.18
  4. Step 4: Simplify right side
    177,040.19x = 18,706,381,878.02
  5. Step 5: Solve for x
    x = 18,706,381,878.02/177,040.19
  6. Step 6: Final answer
    x = 105,661.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.