Home / 207,761.28-286,688.64-117,096.96

Finding the Fourth Proportional to 207,761.28, 286,688.64 and 117,096.96

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Solution

The fourth proportional to 207,761.28, 286,688.64 and 117,096.96 is: 161,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,761.28 : 286,688.64 = 117,096.96 : x
  2. Step 2: Convert to fraction form
    207,761.28/286,688.64 = 117,096.96/x
  3. Step 3: Cross multiply
    207,761.28x = 286,688.64 × 117,096.96
  4. Step 4: Simplify right side
    207,761.28x = 33,570,368,210.53
  5. Step 5: Solve for x
    x = 33,570,368,210.53/207,761.28
  6. Step 6: Final answer
    x = 161,581.45

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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.