Home / 156,934.21-216,587.37-93,271.45

Finding the Fourth Proportional to 156,934.21, 216,587.37 and 93,271.45

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Solution

The fourth proportional to 156,934.21, 216,587.37 and 93,271.45 is: 128,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.21 : 216,587.37 = 93,271.45 : x
  2. Step 2: Convert to fraction form
    156,934.21/216,587.37 = 93,271.45/x
  3. Step 3: Cross multiply
    156,934.21x = 216,587.37 × 93,271.45
  4. Step 4: Simplify right side
    156,934.21x = 20,201,418,051.59
  5. Step 5: Solve for x
    x = 20,201,418,051.59/156,934.21
  6. Step 6: Final answer
    x = 128,725.39

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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.