Home / 133,058.30-183,500.57-85,302.32

Finding the Fourth Proportional to 133,058.30, 183,500.57 and 85,302.32

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Solution

The fourth proportional to 133,058.30, 183,500.57 and 85,302.32 is: 117,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.30 : 183,500.57 = 85,302.32 : x
  2. Step 2: Convert to fraction form
    133,058.30/183,500.57 = 85,302.32/x
  3. Step 3: Cross multiply
    133,058.30x = 183,500.57 × 85,302.32
  4. Step 4: Simplify right side
    133,058.30x = 15,653,023,638.08
  5. Step 5: Solve for x
    x = 15,653,023,638.08/133,058.30
  6. Step 6: Final answer
    x = 117,640.34

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1.5x scale

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.