Home / 154,948.77-232,547.72-80,090.87

Finding the Fourth Proportional to 154,948.77, 232,547.72 and 80,090.87

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Solution

The fourth proportional to 154,948.77, 232,547.72 and 80,090.87 is: 120,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,948.77 : 232,547.72 = 80,090.87 : x
  2. Step 2: Convert to fraction form
    154,948.77/232,547.72 = 80,090.87/x
  3. Step 3: Cross multiply
    154,948.77x = 232,547.72 × 80,090.87
  4. Step 4: Simplify right side
    154,948.77x = 18,624,947,648.12
  5. Step 5: Solve for x
    x = 18,624,947,648.12/154,948.77
  6. Step 6: Final answer
    x = 120,200.68

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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.