Home / 137,547.19-206,350.48-42,775.53

Finding the Fourth Proportional to 137,547.19, 206,350.48 and 42,775.53

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Solution

The fourth proportional to 137,547.19, 206,350.48 and 42,775.53 is: 64,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,547.19 : 206,350.48 = 42,775.53 : x
  2. Step 2: Convert to fraction form
    137,547.19/206,350.48 = 42,775.53/x
  3. Step 3: Cross multiply
    137,547.19x = 206,350.48 × 42,775.53
  4. Step 4: Simplify right side
    137,547.19x = 8,826,751,147.75
  5. Step 5: Solve for x
    x = 8,826,751,147.75/137,547.19
  6. Step 6: Final answer
    x = 64,172.53

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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.