Home / 137,210.24-205,823.46-52,970.96

Finding the Fourth Proportional to 137,210.24, 205,823.46 and 52,970.96

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Solution

The fourth proportional to 137,210.24, 205,823.46 and 52,970.96 is: 79,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,210.24 : 205,823.46 = 52,970.96 : x
  2. Step 2: Convert to fraction form
    137,210.24/205,823.46 = 52,970.96/x
  3. Step 3: Cross multiply
    137,210.24x = 205,823.46 × 52,970.96
  4. Step 4: Simplify right side
    137,210.24x = 10,902,666,266.72
  5. Step 5: Solve for x
    x = 10,902,666,266.72/137,210.24
  6. Step 6: Final answer
    x = 79,459.57

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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.