Home / 292,258.50-403,316.73-158,122.50

Finding the Fourth Proportional to 292,258.50, 403,316.73 and 158,122.50

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Solution

The fourth proportional to 292,258.50, 403,316.73 and 158,122.50 is: 218,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,258.50 : 403,316.73 = 158,122.50 : x
  2. Step 2: Convert to fraction form
    292,258.50/403,316.73 = 158,122.50/x
  3. Step 3: Cross multiply
    292,258.50x = 403,316.73 × 158,122.50
  4. Step 4: Simplify right side
    292,258.50x = 63,773,449,639.43
  5. Step 5: Solve for x
    x = 63,773,449,639.43/292,258.50
  6. Step 6: Final answer
    x = 218,209.05

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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.