Home / 175,574.79-242,064.45-111,889.35

Finding the Fourth Proportional to 175,574.79, 242,064.45 and 111,889.35

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Solution

The fourth proportional to 175,574.79, 242,064.45 and 111,889.35 is: 154,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,574.79 : 242,064.45 = 111,889.35 : x
  2. Step 2: Convert to fraction form
    175,574.79/242,064.45 = 111,889.35/x
  3. Step 3: Cross multiply
    175,574.79x = 242,064.45 × 111,889.35
  4. Step 4: Simplify right side
    175,574.79x = 27,084,433,968.61
  5. Step 5: Solve for x
    x = 27,084,433,968.61/175,574.79
  6. Step 6: Final answer
    x = 154,261.52

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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.