Home / 148,560.66-222,643.80-128,746.44

Finding the Fourth Proportional to 148,560.66, 222,643.80 and 128,746.44

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Solution

The fourth proportional to 148,560.66, 222,643.80 and 128,746.44 is: 192,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,560.66 : 222,643.80 = 128,746.44 : x
  2. Step 2: Convert to fraction form
    148,560.66/222,643.80 = 128,746.44/x
  3. Step 3: Cross multiply
    148,560.66x = 222,643.80 × 128,746.44
  4. Step 4: Simplify right side
    148,560.66x = 28,664,596,638.07
  5. Step 5: Solve for x
    x = 28,664,596,638.07/148,560.66
  6. Step 6: Final answer
    x = 192,948.77

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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.