Home / 105,488.19-158,175.54-42,276.60

Finding the Fourth Proportional to 105,488.19, 158,175.54 and 42,276.60

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Solution

The fourth proportional to 105,488.19, 158,175.54 and 42,276.60 is: 63,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,488.19 : 158,175.54 = 42,276.60 : x
  2. Step 2: Convert to fraction form
    105,488.19/158,175.54 = 42,276.60/x
  3. Step 3: Cross multiply
    105,488.19x = 158,175.54 × 42,276.60
  4. Step 4: Simplify right side
    105,488.19x = 6,687,124,034.36
  5. Step 5: Solve for x
    x = 6,687,124,034.36/105,488.19
  6. Step 6: Final answer
    x = 63,392.16

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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.