Home / 157,528.32-236,305.28-46,720

Finding the Fourth Proportional to 157,528.32, 236,305.28 and 46,720

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Solution

The fourth proportional to 157,528.32, 236,305.28 and 46,720 is: 70,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528.32 : 236,305.28 = 46,720 : x
  2. Step 2: Convert to fraction form
    157,528.32/236,305.28 = 46,720/x
  3. Step 3: Cross multiply
    157,528.32x = 236,305.28 × 46,720
  4. Step 4: Simplify right side
    157,528.32x = 11,040,182,681.60
  5. Step 5: Solve for x
    x = 11,040,182,681.60/157,528.32
  6. Step 6: Final answer
    x = 70,083.80

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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.