Home / 158,762.60-219,094.66-87,141.32

Finding the Fourth Proportional to 158,762.60, 219,094.66 and 87,141.32

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Solution

The fourth proportional to 158,762.60, 219,094.66 and 87,141.32 is: 120,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,762.60 : 219,094.66 = 87,141.32 : x
  2. Step 2: Convert to fraction form
    158,762.60/219,094.66 = 87,141.32/x
  3. Step 3: Cross multiply
    158,762.60x = 219,094.66 × 87,141.32
  4. Step 4: Simplify right side
    158,762.60x = 19,092,197,877.35
  5. Step 5: Solve for x
    x = 19,092,197,877.35/158,762.60
  6. Step 6: Final answer
    x = 120,256.27

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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.