Home / 278,398.16-384,354.47-183,069.26

Finding the Fourth Proportional to 278,398.16, 384,354.47 and 183,069.26

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Solution

The fourth proportional to 278,398.16, 384,354.47 and 183,069.26 is: 252,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,398.16 : 384,354.47 = 183,069.26 : x
  2. Step 2: Convert to fraction form
    278,398.16/384,354.47 = 183,069.26/x
  3. Step 3: Cross multiply
    278,398.16x = 384,354.47 × 183,069.26
  4. Step 4: Simplify right side
    278,398.16x = 70,363,487,485.25
  5. Step 5: Solve for x
    x = 70,363,487,485.25/278,398.16
  6. Step 6: Final answer
    x = 252,744.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.