Home / 175,574.49-242,292.51-99,109.68

Finding the Fourth Proportional to 175,574.49, 242,292.51 and 99,109.68

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Solution

The fourth proportional to 175,574.49, 242,292.51 and 99,109.68 is: 136,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,574.49 : 242,292.51 = 99,109.68 : x
  2. Step 2: Convert to fraction form
    175,574.49/242,292.51 = 99,109.68/x
  3. Step 3: Cross multiply
    175,574.49x = 242,292.51 × 99,109.68
  4. Step 4: Simplify right side
    175,574.49x = 24,013,533,132.50
  5. Step 5: Solve for x
    x = 24,013,533,132.50/175,574.49
  6. Step 6: Final answer
    x = 136,771.20

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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.