Home / 183,780.40-253,656.48-112,145.08

Finding the Fourth Proportional to 183,780.40, 253,656.48 and 112,145.08

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Solution

The fourth proportional to 183,780.40, 253,656.48 and 112,145.08 is: 154,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,780.40 : 253,656.48 = 112,145.08 : x
  2. Step 2: Convert to fraction form
    183,780.40/253,656.48 = 112,145.08/x
  3. Step 3: Cross multiply
    183,780.40x = 253,656.48 × 112,145.08
  4. Step 4: Simplify right side
    183,780.40x = 28,446,326,242.12
  5. Step 5: Solve for x
    x = 28,446,326,242.12/183,780.40
  6. Step 6: Final answer
    x = 154,784.33

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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.