Home / 554,020.65-831,030.92-133,296.53

Finding the Fourth Proportional to 554,020.65, 831,030.92 and 133,296.53

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Solution

The fourth proportional to 554,020.65, 831,030.92 and 133,296.53 is: 199,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,020.65 : 831,030.92 = 133,296.53 : x
  2. Step 2: Convert to fraction form
    554,020.65/831,030.92 = 133,296.53/x
  3. Step 3: Cross multiply
    554,020.65x = 831,030.92 × 133,296.53
  4. Step 4: Simplify right side
    554,020.65x = 110,773,533,137.07
  5. Step 5: Solve for x
    x = 110,773,533,137.07/554,020.65
  6. Step 6: Final answer
    x = 199,944.77

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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.