Home / 229,557.16-316,784.55-127,581.40

Finding the Fourth Proportional to 229,557.16, 316,784.55 and 127,581.40

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Solution

The fourth proportional to 229,557.16, 316,784.55 and 127,581.40 is: 176,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,557.16 : 316,784.55 = 127,581.40 : x
  2. Step 2: Convert to fraction form
    229,557.16/316,784.55 = 127,581.40/x
  3. Step 3: Cross multiply
    229,557.16x = 316,784.55 × 127,581.40
  4. Step 4: Simplify right side
    229,557.16x = 40,415,816,387.37
  5. Step 5: Solve for x
    x = 40,415,816,387.37/229,557.16
  6. Step 6: Final answer
    x = 176,059.93

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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.