Home / 153,015.36-229,429.08-53,132.64

Finding the Fourth Proportional to 153,015.36, 229,429.08 and 53,132.64

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Solution

The fourth proportional to 153,015.36, 229,429.08 and 53,132.64 is: 79,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,015.36 : 229,429.08 = 53,132.64 : x
  2. Step 2: Convert to fraction form
    153,015.36/229,429.08 = 53,132.64/x
  3. Step 3: Cross multiply
    153,015.36x = 229,429.08 × 53,132.64
  4. Step 4: Simplify right side
    153,015.36x = 12,190,172,713.17
  5. Step 5: Solve for x
    x = 12,190,172,713.17/153,015.36
  6. Step 6: Final answer
    x = 79,666.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.