Home / 229,010.49-316,039.56-127,032.63

Finding the Fourth Proportional to 229,010.49, 316,039.56 and 127,032.63

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Solution

The fourth proportional to 229,010.49, 316,039.56 and 127,032.63 is: 175,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,010.49 : 316,039.56 = 127,032.63 : x
  2. Step 2: Convert to fraction form
    229,010.49/316,039.56 = 127,032.63/x
  3. Step 3: Cross multiply
    229,010.49x = 316,039.56 × 127,032.63
  4. Step 4: Simplify right side
    229,010.49x = 40,147,336,490.84
  5. Step 5: Solve for x
    x = 40,147,336,490.84/229,010.49
  6. Step 6: Final answer
    x = 175,307.85

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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.