Home / 152,023.57-209,851.73-136,080.45

Finding the Fourth Proportional to 152,023.57, 209,851.73 and 136,080.45

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Solution

The fourth proportional to 152,023.57, 209,851.73 and 136,080.45 is: 187,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,023.57 : 209,851.73 = 136,080.45 : x
  2. Step 2: Convert to fraction form
    152,023.57/209,851.73 = 136,080.45/x
  3. Step 3: Cross multiply
    152,023.57x = 209,851.73 × 136,080.45
  4. Step 4: Simplify right side
    152,023.57x = 28,556,717,171.28
  5. Step 5: Solve for x
    x = 28,556,717,171.28/152,023.57
  6. Step 6: Final answer
    x = 187,844.01

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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.