Home / 191,016.27-286,533.90-72,696.78

Finding the Fourth Proportional to 191,016.27, 286,533.90 and 72,696.78

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Solution

The fourth proportional to 191,016.27, 286,533.90 and 72,696.78 is: 109,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,016.27 : 286,533.90 = 72,696.78 : x
  2. Step 2: Convert to fraction form
    191,016.27/286,533.90 = 72,696.78/x
  3. Step 3: Cross multiply
    191,016.27x = 286,533.90 × 72,696.78
  4. Step 4: Simplify right side
    191,016.27x = 20,830,091,890.84
  5. Step 5: Solve for x
    x = 20,830,091,890.84/191,016.27
  6. Step 6: Final answer
    x = 109,048.78

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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.