Home / 142,088.96-213,128.40-35,473.52

Finding the Fourth Proportional to 142,088.96, 213,128.40 and 35,473.52

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Solution

The fourth proportional to 142,088.96, 213,128.40 and 35,473.52 is: 53,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,088.96 : 213,128.40 = 35,473.52 : x
  2. Step 2: Convert to fraction form
    142,088.96/213,128.40 = 35,473.52/x
  3. Step 3: Cross multiply
    142,088.96x = 213,128.40 × 35,473.52
  4. Step 4: Simplify right side
    142,088.96x = 7,560,414,559.97
  5. Step 5: Solve for x
    x = 7,560,414,559.97/142,088.96
  6. Step 6: Final answer
    x = 53,209.02

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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.