Home / 335,427.20-503,140.80-148,342.40

Finding the Fourth Proportional to 335,427.20, 503,140.80 and 148,342.40

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Solution

The fourth proportional to 335,427.20, 503,140.80 and 148,342.40 is: 222,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,427.20 : 503,140.80 = 148,342.40 : x
  2. Step 2: Convert to fraction form
    335,427.20/503,140.80 = 148,342.40/x
  3. Step 3: Cross multiply
    335,427.20x = 503,140.80 × 148,342.40
  4. Step 4: Simplify right side
    335,427.20x = 74,637,113,809.92
  5. Step 5: Solve for x
    x = 74,637,113,809.92/335,427.20
  6. Step 6: Final answer
    x = 222,513.60

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1.5x scale

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.