Home / 202,037.44-278,807.28-117,162.40

Finding the Fourth Proportional to 202,037.44, 278,807.28 and 117,162.40

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Solution

The fourth proportional to 202,037.44, 278,807.28 and 117,162.40 is: 161,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,037.44 : 278,807.28 = 117,162.40 : x
  2. Step 2: Convert to fraction form
    202,037.44/278,807.28 = 117,162.40/x
  3. Step 3: Cross multiply
    202,037.44x = 278,807.28 × 117,162.40
  4. Step 4: Simplify right side
    202,037.44x = 32,665,730,062.27
  5. Step 5: Solve for x
    x = 32,665,730,062.27/202,037.44
  6. Step 6: Final answer
    x = 161,681.57

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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.