Home / 207,792.72-286,733.25-127,243.08

Finding the Fourth Proportional to 207,792.72, 286,733.25 and 127,243.08

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Solution

The fourth proportional to 207,792.72, 286,733.25 and 127,243.08 is: 175,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,792.72 : 286,733.25 = 127,243.08 : x
  2. Step 2: Convert to fraction form
    207,792.72/286,733.25 = 127,243.08/x
  3. Step 3: Cross multiply
    207,792.72x = 286,733.25 × 127,243.08
  4. Step 4: Simplify right side
    207,792.72x = 36,484,821,868.41
  5. Step 5: Solve for x
    x = 36,484,821,868.41/207,792.72
  6. Step 6: Final answer
    x = 175,582.77

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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.