Home / 188,217.80-282,024.30-99,355.40

Finding the Fourth Proportional to 188,217.80, 282,024.30 and 99,355.40

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Solution

The fourth proportional to 188,217.80, 282,024.30 and 99,355.40 is: 148,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,217.80 : 282,024.30 = 99,355.40 : x
  2. Step 2: Convert to fraction form
    188,217.80/282,024.30 = 99,355.40/x
  3. Step 3: Cross multiply
    188,217.80x = 282,024.30 × 99,355.40
  4. Step 4: Simplify right side
    188,217.80x = 28,020,637,136.22
  5. Step 5: Solve for x
    x = 28,020,637,136.22/188,217.80
  6. Step 6: Final answer
    x = 148,873.47

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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.