Home / 157,811.28-236,719.08-52,630.32

Finding the Fourth Proportional to 157,811.28, 236,719.08 and 52,630.32

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Solution

The fourth proportional to 157,811.28, 236,719.08 and 52,630.32 is: 78,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,811.28 : 236,719.08 = 52,630.32 : x
  2. Step 2: Convert to fraction form
    157,811.28/236,719.08 = 52,630.32/x
  3. Step 3: Cross multiply
    157,811.28x = 236,719.08 × 52,630.32
  4. Step 4: Simplify right side
    157,811.28x = 12,458,600,930.51
  5. Step 5: Solve for x
    x = 12,458,600,930.51/157,811.28
  6. Step 6: Final answer
    x = 78,946.20

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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.