Home / 155,721.40-233,582.10-124,617.40

Finding the Fourth Proportional to 155,721.40, 233,582.10 and 124,617.40

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Solution

The fourth proportional to 155,721.40, 233,582.10 and 124,617.40 is: 186,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,721.40 : 233,582.10 = 124,617.40 : x
  2. Step 2: Convert to fraction form
    155,721.40/233,582.10 = 124,617.40/x
  3. Step 3: Cross multiply
    155,721.40x = 233,582.10 × 124,617.40
  4. Step 4: Simplify right side
    155,721.40x = 29,108,393,988.54
  5. Step 5: Solve for x
    x = 29,108,393,988.54/155,721.40
  6. Step 6: Final answer
    x = 186,926.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.