Home / 207,929.51-286,946.88-117,267.73

Finding the Fourth Proportional to 207,929.51, 286,946.88 and 117,267.73

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Solution

The fourth proportional to 207,929.51, 286,946.88 and 117,267.73 is: 161,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,929.51 : 286,946.88 = 117,267.73 : x
  2. Step 2: Convert to fraction form
    207,929.51/286,946.88 = 117,267.73/x
  3. Step 3: Cross multiply
    207,929.51x = 286,946.88 × 117,267.73
  4. Step 4: Simplify right side
    207,929.51x = 33,649,609,248.18
  5. Step 5: Solve for x
    x = 33,649,609,248.18/207,929.51
  6. Step 6: Final answer
    x = 161,831.81

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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.