Home / 286,528.05-395,385.56-165,677.16

Finding the Fourth Proportional to 286,528.05, 395,385.56 and 165,677.16

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Solution

The fourth proportional to 286,528.05, 395,385.56 and 165,677.16 is: 228,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,528.05 : 395,385.56 = 165,677.16 : x
  2. Step 2: Convert to fraction form
    286,528.05/395,385.56 = 165,677.16/x
  3. Step 3: Cross multiply
    286,528.05x = 395,385.56 × 165,677.16
  4. Step 4: Simplify right side
    286,528.05x = 65,506,357,961.41
  5. Step 5: Solve for x
    x = 65,506,357,961.41/286,528.05
  6. Step 6: Final answer
    x = 228,621.10

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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.