Home / 156,768.01-216,340.47-85,149.23

Finding the Fourth Proportional to 156,768.01, 216,340.47 and 85,149.23

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Solution

The fourth proportional to 156,768.01, 216,340.47 and 85,149.23 is: 117,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.01 : 216,340.47 = 85,149.23 : x
  2. Step 2: Convert to fraction form
    156,768.01/216,340.47 = 85,149.23/x
  3. Step 3: Cross multiply
    156,768.01x = 216,340.47 × 85,149.23
  4. Step 4: Simplify right side
    156,768.01x = 18,421,223,356.64
  5. Step 5: Solve for x
    x = 18,421,223,356.64/156,768.01
  6. Step 6: Final answer
    x = 117,506.27

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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.