Home / 356,159.28-534,326.16-163,943.76

Finding the Fourth Proportional to 356,159.28, 534,326.16 and 163,943.76

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Solution

The fourth proportional to 356,159.28, 534,326.16 and 163,943.76 is: 245,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,159.28 : 534,326.16 = 163,943.76 : x
  2. Step 2: Convert to fraction form
    356,159.28/534,326.16 = 163,943.76/x
  3. Step 3: Cross multiply
    356,159.28x = 534,326.16 × 163,943.76
  4. Step 4: Simplify right side
    356,159.28x = 87,599,439,736.76
  5. Step 5: Solve for x
    x = 87,599,439,736.76/356,159.28
  6. Step 6: Final answer
    x = 245,955.80

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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.