Home / 205,160.10-282,782.01-137,152.23

Finding the Fourth Proportional to 205,160.10, 282,782.01 and 137,152.23

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Solution

The fourth proportional to 205,160.10, 282,782.01 and 137,152.23 is: 189,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,160.10 : 282,782.01 = 137,152.23 : x
  2. Step 2: Convert to fraction form
    205,160.10/282,782.01 = 137,152.23/x
  3. Step 3: Cross multiply
    205,160.10x = 282,782.01 × 137,152.23
  4. Step 4: Simplify right side
    205,160.10x = 38,784,183,821.49
  5. Step 5: Solve for x
    x = 38,784,183,821.49/205,160.10
  6. Step 6: Final answer
    x = 189,043.50

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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.