Home / 156,627.41-216,145.69-88,643.14

Finding the Fourth Proportional to 156,627.41, 216,145.69 and 88,643.14

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Solution

The fourth proportional to 156,627.41, 216,145.69 and 88,643.14 is: 122,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.41 : 216,145.69 = 88,643.14 : x
  2. Step 2: Convert to fraction form
    156,627.41/216,145.69 = 88,643.14/x
  3. Step 3: Cross multiply
    156,627.41x = 216,145.69 × 88,643.14
  4. Step 4: Simplify right side
    156,627.41x = 19,159,831,897.09
  5. Step 5: Solve for x
    x = 19,159,831,897.09/156,627.41
  6. Step 6: Final answer
    x = 122,327.46

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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.