Home / 320,867.93-442,803.02-175,671.32

Finding the Fourth Proportional to 320,867.93, 442,803.02 and 175,671.32

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Solution

The fourth proportional to 320,867.93, 442,803.02 and 175,671.32 is: 242,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,867.93 : 442,803.02 = 175,671.32 : x
  2. Step 2: Convert to fraction form
    320,867.93/442,803.02 = 175,671.32/x
  3. Step 3: Cross multiply
    320,867.93x = 442,803.02 × 175,671.32
  4. Step 4: Simplify right side
    320,867.93x = 77,787,787,931.01
  5. Step 5: Solve for x
    x = 77,787,787,931.01/320,867.93
  6. Step 6: Final answer
    x = 242,429.30

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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.