Home / 161,520.84-242,330.88-82,690.40

Finding the Fourth Proportional to 161,520.84, 242,330.88 and 82,690.40

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Solution

The fourth proportional to 161,520.84, 242,330.88 and 82,690.40 is: 124,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.84 : 242,330.88 = 82,690.40 : x
  2. Step 2: Convert to fraction form
    161,520.84/242,330.88 = 82,690.40/x
  3. Step 3: Cross multiply
    161,520.84x = 242,330.88 × 82,690.40
  4. Step 4: Simplify right side
    161,520.84x = 20,038,437,399.55
  5. Step 5: Solve for x
    x = 20,038,437,399.55/161,520.84
  6. Step 6: Final answer
    x = 124,061.00

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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.