Home / 229,114.15-316,169.22-127,144.06

Finding the Fourth Proportional to 229,114.15, 316,169.22 and 127,144.06

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Solution

The fourth proportional to 229,114.15, 316,169.22 and 127,144.06 is: 175,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,114.15 : 316,169.22 = 127,144.06 : x
  2. Step 2: Convert to fraction form
    229,114.15/316,169.22 = 127,144.06/x
  3. Step 3: Cross multiply
    229,114.15x = 316,169.22 × 127,144.06
  4. Step 4: Simplify right side
    229,114.15x = 40,199,038,277.83
  5. Step 5: Solve for x
    x = 40,199,038,277.83/229,114.15
  6. Step 6: Final answer
    x = 175,454.19

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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.