Home / 173,061.60-259,549.20-66,422.40

Finding the Fourth Proportional to 173,061.60, 259,549.20 and 66,422.40

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Solution

The fourth proportional to 173,061.60, 259,549.20 and 66,422.40 is: 99,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,061.60 : 259,549.20 = 66,422.40 : x
  2. Step 2: Convert to fraction form
    173,061.60/259,549.20 = 66,422.40/x
  3. Step 3: Cross multiply
    173,061.60x = 259,549.20 × 66,422.40
  4. Step 4: Simplify right side
    173,061.60x = 17,239,880,782.08
  5. Step 5: Solve for x
    x = 17,239,880,782.08/173,061.60
  6. Step 6: Final answer
    x = 99,617.02

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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.