Home / 145,607.18-200,887.70-88,264.94

Finding the Fourth Proportional to 145,607.18, 200,887.70 and 88,264.94

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Solution

The fourth proportional to 145,607.18, 200,887.70 and 88,264.94 is: 121,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,607.18 : 200,887.70 = 88,264.94 : x
  2. Step 2: Convert to fraction form
    145,607.18/200,887.70 = 88,264.94/x
  3. Step 3: Cross multiply
    145,607.18x = 200,887.70 × 88,264.94
  4. Step 4: Simplify right side
    145,607.18x = 17,731,340,787.24
  5. Step 5: Solve for x
    x = 17,731,340,787.24/145,607.18
  6. Step 6: Final answer
    x = 121,775.18

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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.