Home / 207,328.68-286,122.78-116,690.52

Finding the Fourth Proportional to 207,328.68, 286,122.78 and 116,690.52

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Solution

The fourth proportional to 207,328.68, 286,122.78 and 116,690.52 is: 161,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,328.68 : 286,122.78 = 116,690.52 : x
  2. Step 2: Convert to fraction form
    207,328.68/286,122.78 = 116,690.52/x
  3. Step 3: Cross multiply
    207,328.68x = 286,122.78 × 116,690.52
  4. Step 4: Simplify right side
    207,328.68x = 33,387,815,982.05
  5. Step 5: Solve for x
    x = 33,387,815,982.05/207,328.68
  6. Step 6: Final answer
    x = 161,038.10

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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.