Home / 137,281.22-205,925.43-47,322.98

Finding the Fourth Proportional to 137,281.22, 205,925.43 and 47,322.98

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Solution

The fourth proportional to 137,281.22, 205,925.43 and 47,322.98 is: 70,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,281.22 : 205,925.43 = 47,322.98 : x
  2. Step 2: Convert to fraction form
    137,281.22/205,925.43 = 47,322.98/x
  3. Step 3: Cross multiply
    137,281.22x = 205,925.43 × 47,322.98
  4. Step 4: Simplify right side
    137,281.22x = 9,745,005,005.38
  5. Step 5: Solve for x
    x = 9,745,005,005.38/137,281.22
  6. Step 6: Final answer
    x = 70,985.71

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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.