Home / 153,824.30-212,278.01-85,844.15

Finding the Fourth Proportional to 153,824.30, 212,278.01 and 85,844.15

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Solution

The fourth proportional to 153,824.30, 212,278.01 and 85,844.15 is: 118,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,824.30 : 212,278.01 = 85,844.15 : x
  2. Step 2: Convert to fraction form
    153,824.30/212,278.01 = 85,844.15/x
  3. Step 3: Cross multiply
    153,824.30x = 212,278.01 × 85,844.15
  4. Step 4: Simplify right side
    153,824.30x = 18,222,825,332.14
  5. Step 5: Solve for x
    x = 18,222,825,332.14/153,824.30
  6. Step 6: Final answer
    x = 118,465.19

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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.