Home / 150,734.40-208,017.60-97,123.20

Finding the Fourth Proportional to 150,734.40, 208,017.60 and 97,123.20

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Solution

The fourth proportional to 150,734.40, 208,017.60 and 97,123.20 is: 134,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,734.40 : 208,017.60 = 97,123.20 : x
  2. Step 2: Convert to fraction form
    150,734.40/208,017.60 = 97,123.20/x
  3. Step 3: Cross multiply
    150,734.40x = 208,017.60 × 97,123.20
  4. Step 4: Simplify right side
    150,734.40x = 20,203,334,968.32
  5. Step 5: Solve for x
    x = 20,203,334,968.32/150,734.40
  6. Step 6: Final answer
    x = 134,032.68

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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.