Home / 370,313.12-555,470.40-133,822.76

Finding the Fourth Proportional to 370,313.12, 555,470.40 and 133,822.76

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Solution

The fourth proportional to 370,313.12, 555,470.40 and 133,822.76 is: 200,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,313.12 : 555,470.40 = 133,822.76 : x
  2. Step 2: Convert to fraction form
    370,313.12/555,470.40 = 133,822.76/x
  3. Step 3: Cross multiply
    370,313.12x = 555,470.40 × 133,822.76
  4. Step 4: Simplify right side
    370,313.12x = 74,334,582,026.30
  5. Step 5: Solve for x
    x = 74,334,582,026.30/370,313.12
  6. Step 6: Final answer
    x = 200,734.40

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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.