Home / 218,317.95-301,179.13-157,792.73

Finding the Fourth Proportional to 218,317.95, 301,179.13 and 157,792.73

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Solution

The fourth proportional to 218,317.95, 301,179.13 and 157,792.73 is: 217,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,317.95 : 301,179.13 = 157,792.73 : x
  2. Step 2: Convert to fraction form
    218,317.95/301,179.13 = 157,792.73/x
  3. Step 3: Cross multiply
    218,317.95x = 301,179.13 × 157,792.73
  4. Step 4: Simplify right side
    218,317.95x = 47,523,875,241.35
  5. Step 5: Solve for x
    x = 47,523,875,241.35/218,317.95
  6. Step 6: Final answer
    x = 217,681.94

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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.