Home / 148,157.28-204,566.94-90,875.64

Finding the Fourth Proportional to 148,157.28, 204,566.94 and 90,875.64

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Solution

The fourth proportional to 148,157.28, 204,566.94 and 90,875.64 is: 125,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,157.28 : 204,566.94 = 90,875.64 : x
  2. Step 2: Convert to fraction form
    148,157.28/204,566.94 = 90,875.64/x
  3. Step 3: Cross multiply
    148,157.28x = 204,566.94 × 90,875.64
  4. Step 4: Simplify right side
    148,157.28x = 18,590,151,595.34
  5. Step 5: Solve for x
    x = 18,590,151,595.34/148,157.28
  6. Step 6: Final answer
    x = 125,475.79

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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.