Home / 140,521.30-193,924.04-76,859.10

Finding the Fourth Proportional to 140,521.30, 193,924.04 and 76,859.10

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Solution

The fourth proportional to 140,521.30, 193,924.04 and 76,859.10 is: 106,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,521.30 : 193,924.04 = 76,859.10 : x
  2. Step 2: Convert to fraction form
    140,521.30/193,924.04 = 76,859.10/x
  3. Step 3: Cross multiply
    140,521.30x = 193,924.04 × 76,859.10
  4. Step 4: Simplify right side
    140,521.30x = 14,904,827,182.76
  5. Step 5: Solve for x
    x = 14,904,827,182.76/140,521.30
  6. Step 6: Final answer
    x = 106,068.10

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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.