Home / 230,730.30-346,095.45-140,528.70

Finding the Fourth Proportional to 230,730.30, 346,095.45 and 140,528.70

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Solution

The fourth proportional to 230,730.30, 346,095.45 and 140,528.70 is: 210,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,730.30 : 346,095.45 = 140,528.70 : x
  2. Step 2: Convert to fraction form
    230,730.30/346,095.45 = 140,528.70/x
  3. Step 3: Cross multiply
    230,730.30x = 346,095.45 × 140,528.70
  4. Step 4: Simplify right side
    230,730.30x = 48,636,343,664.42
  5. Step 5: Solve for x
    x = 48,636,343,664.42/230,730.30
  6. Step 6: Final answer
    x = 210,793.05

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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.