Home / 191,022.30-286,205.40-124,428.15

Finding the Fourth Proportional to 191,022.30, 286,205.40 and 124,428.15

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Solution

The fourth proportional to 191,022.30, 286,205.40 and 124,428.15 is: 186,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,022.30 : 286,205.40 = 124,428.15 : x
  2. Step 2: Convert to fraction form
    191,022.30/286,205.40 = 124,428.15/x
  3. Step 3: Cross multiply
    191,022.30x = 286,205.40 × 124,428.15
  4. Step 4: Simplify right side
    191,022.30x = 35,612,008,442.01
  5. Step 5: Solve for x
    x = 35,612,008,442.01/191,022.30
  6. Step 6: Final answer
    x = 186,428.54

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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.