Home / 142,291.16-213,436.68-37,109.84

Finding the Fourth Proportional to 142,291.16, 213,436.68 and 37,109.84

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Solution

The fourth proportional to 142,291.16, 213,436.68 and 37,109.84 is: 55,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,291.16 : 213,436.68 = 37,109.84 : x
  2. Step 2: Convert to fraction form
    142,291.16/213,436.68 = 37,109.84/x
  3. Step 3: Cross multiply
    142,291.16x = 213,436.68 × 37,109.84
  4. Step 4: Simplify right side
    142,291.16x = 7,920,601,044.93
  5. Step 5: Solve for x
    x = 7,920,601,044.93/142,291.16
  6. Step 6: Final answer
    x = 55,664.74

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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.