Home / 341,971.20-512,985.96-89,285.22

Finding the Fourth Proportional to 341,971.20, 512,985.96 and 89,285.22

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Solution

The fourth proportional to 341,971.20, 512,985.96 and 89,285.22 is: 133,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,971.20 : 512,985.96 = 89,285.22 : x
  2. Step 2: Convert to fraction form
    341,971.20/512,985.96 = 89,285.22/x
  3. Step 3: Cross multiply
    341,971.20x = 512,985.96 × 89,285.22
  4. Step 4: Simplify right side
    341,971.20x = 45,802,064,295.51
  5. Step 5: Solve for x
    x = 45,802,064,295.51/341,971.20
  6. Step 6: Final answer
    x = 133,935.44

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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.