Home / 153,535.30-211,873.32-85,548.76

Finding the Fourth Proportional to 153,535.30, 211,873.32 and 85,548.76

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Solution

The fourth proportional to 153,535.30, 211,873.32 and 85,548.76 is: 118,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,535.30 : 211,873.32 = 85,548.76 : x
  2. Step 2: Convert to fraction form
    153,535.30/211,873.32 = 85,548.76/x
  3. Step 3: Cross multiply
    153,535.30x = 211,873.32 × 85,548.76
  4. Step 4: Simplify right side
    153,535.30x = 18,125,499,273.40
  5. Step 5: Solve for x
    x = 18,125,499,273.40/153,535.30
  6. Step 6: Final answer
    x = 118,054.28

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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.