Home / 137,275.06-205,854.27-47,327.62

Finding the Fourth Proportional to 137,275.06, 205,854.27 and 47,327.62

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Solution

The fourth proportional to 137,275.06, 205,854.27 and 47,327.62 is: 70,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,275.06 : 205,854.27 = 47,327.62 : x
  2. Step 2: Convert to fraction form
    137,275.06/205,854.27 = 47,327.62/x
  3. Step 3: Cross multiply
    137,275.06x = 205,854.27 × 47,327.62
  4. Step 4: Simplify right side
    137,275.06x = 9,742,592,665.94
  5. Step 5: Solve for x
    x = 9,742,592,665.94/137,275.06
  6. Step 6: Final answer
    x = 70,971.32

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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.