Home / 229,416.07-316,644.78-127,476.56

Finding the Fourth Proportional to 229,416.07, 316,644.78 and 127,476.56

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Solution

The fourth proportional to 229,416.07, 316,644.78 and 127,476.56 is: 175,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,416.07 : 316,644.78 = 127,476.56 : x
  2. Step 2: Convert to fraction form
    229,416.07/316,644.78 = 127,476.56/x
  3. Step 3: Cross multiply
    229,416.07x = 316,644.78 × 127,476.56
  4. Step 4: Simplify right side
    229,416.07x = 40,364,785,075.75
  5. Step 5: Solve for x
    x = 40,364,785,075.75/229,416.07
  6. Step 6: Final answer
    x = 175,945.76

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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.