Home / 331,400.32-457,332.36-180,497.32

Finding the Fourth Proportional to 331,400.32, 457,332.36 and 180,497.32

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Solution

The fourth proportional to 331,400.32, 457,332.36 and 180,497.32 is: 249,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,400.32 : 457,332.36 = 180,497.32 : x
  2. Step 2: Convert to fraction form
    331,400.32/457,332.36 = 180,497.32/x
  3. Step 3: Cross multiply
    331,400.32x = 457,332.36 × 180,497.32
  4. Step 4: Simplify right side
    331,400.32x = 82,547,265,329.28
  5. Step 5: Solve for x
    x = 82,547,265,329.28/331,400.32
  6. Step 6: Final answer
    x = 249,086.26

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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.