Home / 369,261.45-553,892.16-88,778.70

Finding the Fourth Proportional to 369,261.45, 553,892.16 and 88,778.70

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Solution

The fourth proportional to 369,261.45, 553,892.16 and 88,778.70 is: 133,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,261.45 : 553,892.16 = 88,778.70 : x
  2. Step 2: Convert to fraction form
    369,261.45/553,892.16 = 88,778.70/x
  3. Step 3: Cross multiply
    369,261.45x = 553,892.16 × 88,778.70
  4. Step 4: Simplify right side
    369,261.45x = 49,173,825,904.99
  5. Step 5: Solve for x
    x = 49,173,825,904.99/369,261.45
  6. Step 6: Final answer
    x = 133,168.05

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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.