Home / 253,816.81-350,426.45-163,330.02

Finding the Fourth Proportional to 253,816.81, 350,426.45 and 163,330.02

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Solution

The fourth proportional to 253,816.81, 350,426.45 and 163,330.02 is: 225,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,816.81 : 350,426.45 = 163,330.02 : x
  2. Step 2: Convert to fraction form
    253,816.81/350,426.45 = 163,330.02/x
  3. Step 3: Cross multiply
    253,816.81x = 350,426.45 × 163,330.02
  4. Step 4: Simplify right side
    253,816.81x = 57,235,159,495.35
  5. Step 5: Solve for x
    x = 57,235,159,495.35/253,816.81
  6. Step 6: Final answer
    x = 225,497.91

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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.