Home / 229,530.40-316,759.65-127,560.16

Finding the Fourth Proportional to 229,530.40, 316,759.65 and 127,560.16

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Solution

The fourth proportional to 229,530.40, 316,759.65 and 127,560.16 is: 176,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,530.40 : 316,759.65 = 127,560.16 : x
  2. Step 2: Convert to fraction form
    229,530.40/316,759.65 = 127,560.16/x
  3. Step 3: Cross multiply
    229,530.40x = 316,759.65 × 127,560.16
  4. Step 4: Simplify right side
    229,530.40x = 40,405,911,553.14
  5. Step 5: Solve for x
    x = 40,405,911,553.14/229,530.40
  6. Step 6: Final answer
    x = 176,037.30

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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.