Home / 191,406.81-286,898.77-79,025.07

Finding the Fourth Proportional to 191,406.81, 286,898.77 and 79,025.07

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Solution

The fourth proportional to 191,406.81, 286,898.77 and 79,025.07 is: 118,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,406.81 : 286,898.77 = 79,025.07 : x
  2. Step 2: Convert to fraction form
    191,406.81/286,898.77 = 79,025.07/x
  3. Step 3: Cross multiply
    191,406.81x = 286,898.77 × 79,025.07
  4. Step 4: Simplify right side
    191,406.81x = 22,672,195,382.16
  5. Step 5: Solve for x
    x = 22,672,195,382.16/191,406.81
  6. Step 6: Final answer
    x = 118,450.31

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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.