Home / 158,170.90-237,256.35-69,425.18

Finding the Fourth Proportional to 158,170.90, 237,256.35 and 69,425.18

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Solution

The fourth proportional to 158,170.90, 237,256.35 and 69,425.18 is: 104,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,170.90 : 237,256.35 = 69,425.18 : x
  2. Step 2: Convert to fraction form
    158,170.90/237,256.35 = 69,425.18/x
  3. Step 3: Cross multiply
    158,170.90x = 237,256.35 × 69,425.18
  4. Step 4: Simplify right side
    158,170.90x = 16,471,563,792.17
  5. Step 5: Solve for x
    x = 16,471,563,792.17/158,170.90
  6. Step 6: Final answer
    x = 104,137.76

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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.