Home / 211,734.80-317,602.20-93,280.40

Finding the Fourth Proportional to 211,734.80, 317,602.20 and 93,280.40

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Solution

The fourth proportional to 211,734.80, 317,602.20 and 93,280.40 is: 139,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,734.80 : 317,602.20 = 93,280.40 : x
  2. Step 2: Convert to fraction form
    211,734.80/317,602.20 = 93,280.40/x
  3. Step 3: Cross multiply
    211,734.80x = 317,602.20 × 93,280.40
  4. Step 4: Simplify right side
    211,734.80x = 29,626,060,256.88
  5. Step 5: Solve for x
    x = 29,626,060,256.88/211,734.80
  6. Step 6: Final answer
    x = 139,920.60

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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.