Home / 125,547.40-188,321.10-46,645.30

Finding the Fourth Proportional to 125,547.40, 188,321.10 and 46,645.30

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Solution

The fourth proportional to 125,547.40, 188,321.10 and 46,645.30 is: 69,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,547.40 : 188,321.10 = 46,645.30 : x
  2. Step 2: Convert to fraction form
    125,547.40/188,321.10 = 46,645.30/x
  3. Step 3: Cross multiply
    125,547.40x = 188,321.10 × 46,645.30
  4. Step 4: Simplify right side
    125,547.40x = 8,784,294,205.83
  5. Step 5: Solve for x
    x = 8,784,294,205.83/125,547.40
  6. Step 6: Final answer
    x = 69,967.95

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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.