Home / 207,047.04-285,658.56-127,605.12

Finding the Fourth Proportional to 207,047.04, 285,658.56 and 127,605.12

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Solution

The fourth proportional to 207,047.04, 285,658.56 and 127,605.12 is: 176,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,047.04 : 285,658.56 = 127,605.12 : x
  2. Step 2: Convert to fraction form
    207,047.04/285,658.56 = 127,605.12/x
  3. Step 3: Cross multiply
    207,047.04x = 285,658.56 × 127,605.12
  4. Step 4: Simplify right side
    207,047.04x = 36,451,494,827.83
  5. Step 5: Solve for x
    x = 36,451,494,827.83/207,047.04
  6. Step 6: Final answer
    x = 176,054.17

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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.