Home / 173,860.10-260,802.30-68,665.40

Finding the Fourth Proportional to 173,860.10, 260,802.30 and 68,665.40

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Solution

The fourth proportional to 173,860.10, 260,802.30 and 68,665.40 is: 103,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860.10 : 260,802.30 = 68,665.40 : x
  2. Step 2: Convert to fraction form
    173,860.10/260,802.30 = 68,665.40/x
  3. Step 3: Cross multiply
    173,860.10x = 260,802.30 × 68,665.40
  4. Step 4: Simplify right side
    173,860.10x = 17,908,094,250.42
  5. Step 5: Solve for x
    x = 17,908,094,250.42/173,860.10
  6. Step 6: Final answer
    x = 103,002.90

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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.