Home / 191,037.40-286,556.10-123,677.80

Finding the Fourth Proportional to 191,037.40, 286,556.10 and 123,677.80

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Solution

The fourth proportional to 191,037.40, 286,556.10 and 123,677.80 is: 185,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,037.40 : 286,556.10 = 123,677.80 : x
  2. Step 2: Convert to fraction form
    191,037.40/286,556.10 = 123,677.80/x
  3. Step 3: Cross multiply
    191,037.40x = 286,556.10 × 123,677.80
  4. Step 4: Simplify right side
    191,037.40x = 35,440,628,024.58
  5. Step 5: Solve for x
    x = 35,440,628,024.58/191,037.40
  6. Step 6: Final answer
    x = 185,516.70

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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.