Home / 175,640.48-242,390.15-99,173.16

Finding the Fourth Proportional to 175,640.48, 242,390.15 and 99,173.16

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Solution

The fourth proportional to 175,640.48, 242,390.15 and 99,173.16 is: 136,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,640.48 : 242,390.15 = 99,173.16 : x
  2. Step 2: Convert to fraction form
    175,640.48/242,390.15 = 99,173.16/x
  3. Step 3: Cross multiply
    175,640.48x = 242,390.15 × 99,173.16
  4. Step 4: Simplify right side
    175,640.48x = 24,038,596,725.48
  5. Step 5: Solve for x
    x = 24,038,596,725.48/175,640.48
  6. Step 6: Final answer
    x = 136,862.51

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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.