Home / 249,620.30-374,430.45-72,133.10

Finding the Fourth Proportional to 249,620.30, 374,430.45 and 72,133.10

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Solution

The fourth proportional to 249,620.30, 374,430.45 and 72,133.10 is: 108,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620.30 : 374,430.45 = 72,133.10 : x
  2. Step 2: Convert to fraction form
    249,620.30/374,430.45 = 72,133.10/x
  3. Step 3: Cross multiply
    249,620.30x = 374,430.45 × 72,133.10
  4. Step 4: Simplify right side
    249,620.30x = 27,008,829,092.90
  5. Step 5: Solve for x
    x = 27,008,829,092.90/249,620.30
  6. Step 6: Final answer
    x = 108,199.65

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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.