Home / 153,357.03-211,642.37-92,932.96

Finding the Fourth Proportional to 153,357.03, 211,642.37 and 92,932.96

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Solution

The fourth proportional to 153,357.03, 211,642.37 and 92,932.96 is: 128,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,357.03 : 211,642.37 = 92,932.96 : x
  2. Step 2: Convert to fraction form
    153,357.03/211,642.37 = 92,932.96/x
  3. Step 3: Cross multiply
    153,357.03x = 211,642.37 × 92,932.96
  4. Step 4: Simplify right side
    153,357.03x = 19,668,551,905.52
  5. Step 5: Solve for x
    x = 19,668,551,905.52/153,357.03
  6. Step 6: Final answer
    x = 128,253.34

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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.