Home / 105,655.74-158,488.47-43,282.50

Finding the Fourth Proportional to 105,655.74, 158,488.47 and 43,282.50

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Solution

The fourth proportional to 105,655.74, 158,488.47 and 43,282.50 is: 64,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,655.74 : 158,488.47 = 43,282.50 : x
  2. Step 2: Convert to fraction form
    105,655.74/158,488.47 = 43,282.50/x
  3. Step 3: Cross multiply
    105,655.74x = 158,488.47 × 43,282.50
  4. Step 4: Simplify right side
    105,655.74x = 6,859,777,202.78
  5. Step 5: Solve for x
    x = 6,859,777,202.78/105,655.74
  6. Step 6: Final answer
    x = 64,925.74

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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.