Home / 148,772.68-205,216.14-88,303.48

Finding the Fourth Proportional to 148,772.68, 205,216.14 and 88,303.48

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Solution

The fourth proportional to 148,772.68, 205,216.14 and 88,303.48 is: 121,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,772.68 : 205,216.14 = 88,303.48 : x
  2. Step 2: Convert to fraction form
    148,772.68/205,216.14 = 88,303.48/x
  3. Step 3: Cross multiply
    148,772.68x = 205,216.14 × 88,303.48
  4. Step 4: Simplify right side
    148,772.68x = 18,121,299,314.17
  5. Step 5: Solve for x
    x = 18,121,299,314.17/148,772.68
  6. Step 6: Final answer
    x = 121,805.29

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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.