Home / 170,060.70-254,872.35-103,430.10

Finding the Fourth Proportional to 170,060.70, 254,872.35 and 103,430.10

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Solution

The fourth proportional to 170,060.70, 254,872.35 and 103,430.10 is: 155,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,060.70 : 254,872.35 = 103,430.10 : x
  2. Step 2: Convert to fraction form
    170,060.70/254,872.35 = 103,430.10/x
  3. Step 3: Cross multiply
    170,060.70x = 254,872.35 × 103,430.10
  4. Step 4: Simplify right side
    170,060.70x = 26,361,472,647.74
  5. Step 5: Solve for x
    x = 26,361,472,647.74/170,060.70
  6. Step 6: Final answer
    x = 155,012.14

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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.