Home / 207,333.76-286,098.40-116,688.20

Finding the Fourth Proportional to 207,333.76, 286,098.40 and 116,688.20

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Solution

The fourth proportional to 207,333.76, 286,098.40 and 116,688.20 is: 161,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,333.76 : 286,098.40 = 116,688.20 : x
  2. Step 2: Convert to fraction form
    207,333.76/286,098.40 = 116,688.20/x
  3. Step 3: Cross multiply
    207,333.76x = 286,098.40 × 116,688.20
  4. Step 4: Simplify right side
    207,333.76x = 33,384,307,318.88
  5. Step 5: Solve for x
    x = 33,384,307,318.88/207,333.76
  6. Step 6: Final answer
    x = 161,017.23

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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.