Home / 148,090.66-204,300.18-86,805.77

Finding the Fourth Proportional to 148,090.66, 204,300.18 and 86,805.77

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Solution

The fourth proportional to 148,090.66, 204,300.18 and 86,805.77 is: 119,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,090.66 : 204,300.18 = 86,805.77 : x
  2. Step 2: Convert to fraction form
    148,090.66/204,300.18 = 86,805.77/x
  3. Step 3: Cross multiply
    148,090.66x = 204,300.18 × 86,805.77
  4. Step 4: Simplify right side
    148,090.66x = 17,734,434,436.04
  5. Step 5: Solve for x
    x = 17,734,434,436.04/148,090.66
  6. Step 6: Final answer
    x = 119,753.91

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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.