Home / 165,631.02-228,341.13-111,830.82

Finding the Fourth Proportional to 165,631.02, 228,341.13 and 111,830.82

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Solution

The fourth proportional to 165,631.02, 228,341.13 and 111,830.82 is: 154,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.02 : 228,341.13 = 111,830.82 : x
  2. Step 2: Convert to fraction form
    165,631.02/228,341.13 = 111,830.82/x
  3. Step 3: Cross multiply
    165,631.02x = 228,341.13 × 111,830.82
  4. Step 4: Simplify right side
    165,631.02x = 25,535,575,807.63
  5. Step 5: Solve for x
    x = 25,535,575,807.63/165,631.02
  6. Step 6: Final answer
    x = 154,171.46

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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.