Home / 229,098.45-316,157.55-127,124.31

Finding the Fourth Proportional to 229,098.45, 316,157.55 and 127,124.31

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Solution

The fourth proportional to 229,098.45, 316,157.55 and 127,124.31 is: 175,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,098.45 : 316,157.55 = 127,124.31 : x
  2. Step 2: Convert to fraction form
    229,098.45/316,157.55 = 127,124.31/x
  3. Step 3: Cross multiply
    229,098.45x = 316,157.55 × 127,124.31
  4. Step 4: Simplify right side
    229,098.45x = 40,191,310,395.04
  5. Step 5: Solve for x
    x = 40,191,310,395.04/229,098.45
  6. Step 6: Final answer
    x = 175,432.49

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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.