Home / 229,306.04-316,479.78-127,364.34

Finding the Fourth Proportional to 229,306.04, 316,479.78 and 127,364.34

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Solution

The fourth proportional to 229,306.04, 316,479.78 and 127,364.34 is: 175,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,306.04 : 316,479.78 = 127,364.34 : x
  2. Step 2: Convert to fraction form
    229,306.04/316,479.78 = 127,364.34/x
  3. Step 3: Cross multiply
    229,306.04x = 316,479.78 × 127,364.34
  4. Step 4: Simplify right side
    229,306.04x = 40,308,238,303.05
  5. Step 5: Solve for x
    x = 40,308,238,303.05/229,306.04
  6. Step 6: Final answer
    x = 175,783.59

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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.