Home / 146,213.31-218,820.95-122,547.58

Finding the Fourth Proportional to 146,213.31, 218,820.95 and 122,547.58

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Solution

The fourth proportional to 146,213.31, 218,820.95 and 122,547.58 is: 183,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,213.31 : 218,820.95 = 122,547.58 : x
  2. Step 2: Convert to fraction form
    146,213.31/218,820.95 = 122,547.58/x
  3. Step 3: Cross multiply
    146,213.31x = 218,820.95 × 122,547.58
  4. Step 4: Simplify right side
    146,213.31x = 26,815,977,875.80
  5. Step 5: Solve for x
    x = 26,815,977,875.80/146,213.31
  6. Step 6: Final answer
    x = 183,403.12

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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.