Home / 168,384.12-232,368.60-92,931

Finding the Fourth Proportional to 168,384.12, 232,368.60 and 92,931

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Solution

The fourth proportional to 168,384.12, 232,368.60 and 92,931 is: 128,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,384.12 : 232,368.60 = 92,931 : x
  2. Step 2: Convert to fraction form
    168,384.12/232,368.60 = 92,931/x
  3. Step 3: Cross multiply
    168,384.12x = 232,368.60 × 92,931
  4. Step 4: Simplify right side
    168,384.12x = 21,594,246,366.60
  5. Step 5: Solve for x
    x = 21,594,246,366.60/168,384.12
  6. Step 6: Final answer
    x = 128,243.96

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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.