Home / 158,848.74-219,182.94-105,114.06

Finding the Fourth Proportional to 158,848.74, 219,182.94 and 105,114.06

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Solution

The fourth proportional to 158,848.74, 219,182.94 and 105,114.06 is: 145,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,848.74 : 219,182.94 = 105,114.06 : x
  2. Step 2: Convert to fraction form
    158,848.74/219,182.94 = 105,114.06/x
  3. Step 3: Cross multiply
    158,848.74x = 219,182.94 × 105,114.06
  4. Step 4: Simplify right side
    158,848.74x = 23,039,208,706.14
  5. Step 5: Solve for x
    x = 23,039,208,706.14/158,848.74
  6. Step 6: Final answer
    x = 145,038.66

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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.