Home / 146,750.04-202,420.98-100,787.52

Finding the Fourth Proportional to 146,750.04, 202,420.98 and 100,787.52

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Solution

The fourth proportional to 146,750.04, 202,420.98 and 100,787.52 is: 139,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,750.04 : 202,420.98 = 100,787.52 : x
  2. Step 2: Convert to fraction form
    146,750.04/202,420.98 = 100,787.52/x
  3. Step 3: Cross multiply
    146,750.04x = 202,420.98 × 100,787.52
  4. Step 4: Simplify right side
    146,750.04x = 20,401,508,570.17
  5. Step 5: Solve for x
    x = 20,401,508,570.17/146,750.04
  6. Step 6: Final answer
    x = 139,022.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.