Home / 145,985.96-201,474.71-88,612.05

Finding the Fourth Proportional to 145,985.96, 201,474.71 and 88,612.05

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Solution

The fourth proportional to 145,985.96, 201,474.71 and 88,612.05 is: 122,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985.96 : 201,474.71 = 88,612.05 : x
  2. Step 2: Convert to fraction form
    145,985.96/201,474.71 = 88,612.05/x
  3. Step 3: Cross multiply
    145,985.96x = 201,474.71 × 88,612.05
  4. Step 4: Simplify right side
    145,985.96x = 17,853,087,721.02
  5. Step 5: Solve for x
    x = 17,853,087,721.02/145,985.96
  6. Step 6: Final answer
    x = 122,293.18

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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.