Home / 287,332.04-396,528.69-178,496.36

Finding the Fourth Proportional to 287,332.04, 396,528.69 and 178,496.36

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Solution

The fourth proportional to 287,332.04, 396,528.69 and 178,496.36 is: 246,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,332.04 : 396,528.69 = 178,496.36 : x
  2. Step 2: Convert to fraction form
    287,332.04/396,528.69 = 178,496.36/x
  3. Step 3: Cross multiply
    287,332.04x = 396,528.69 × 178,496.36
  4. Step 4: Simplify right side
    287,332.04x = 70,778,927,800.57
  5. Step 5: Solve for x
    x = 70,778,927,800.57/287,332.04
  6. Step 6: Final answer
    x = 246,331.48

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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.