Home / 201,829.16-278,512.02-116,931.56

Finding the Fourth Proportional to 201,829.16, 278,512.02 and 116,931.56

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Solution

The fourth proportional to 201,829.16, 278,512.02 and 116,931.56 is: 161,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,829.16 : 278,512.02 = 116,931.56 : x
  2. Step 2: Convert to fraction form
    201,829.16/278,512.02 = 116,931.56/x
  3. Step 3: Cross multiply
    201,829.16x = 278,512.02 × 116,931.56
  4. Step 4: Simplify right side
    201,829.16x = 32,566,844,977.35
  5. Step 5: Solve for x
    x = 32,566,844,977.35/201,829.16
  6. Step 6: Final answer
    x = 161,358.47

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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.