Home / 147,157.63-203,084.19-86,730.82

Finding the Fourth Proportional to 147,157.63, 203,084.19 and 86,730.82

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Solution

The fourth proportional to 147,157.63, 203,084.19 and 86,730.82 is: 119,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,157.63 : 203,084.19 = 86,730.82 : x
  2. Step 2: Convert to fraction form
    147,157.63/203,084.19 = 86,730.82/x
  3. Step 3: Cross multiply
    147,157.63x = 203,084.19 × 86,730.82
  4. Step 4: Simplify right side
    147,157.63x = 17,613,658,327.74
  5. Step 5: Solve for x
    x = 17,613,658,327.74/147,157.63
  6. Step 6: Final answer
    x = 119,692.46

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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.