Home / 157,448.64-235,797.12-87,153.60

Finding the Fourth Proportional to 157,448.64, 235,797.12 and 87,153.60

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Solution

The fourth proportional to 157,448.64, 235,797.12 and 87,153.60 is: 130,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,448.64 : 235,797.12 = 87,153.60 : x
  2. Step 2: Convert to fraction form
    157,448.64/235,797.12 = 87,153.60/x
  3. Step 3: Cross multiply
    157,448.64x = 235,797.12 × 87,153.60
  4. Step 4: Simplify right side
    157,448.64x = 20,550,567,877.63
  5. Step 5: Solve for x
    x = 20,550,567,877.63/157,448.64
  6. Step 6: Final answer
    x = 130,522.36

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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.