Home / 239,167.49-358,702.02-105,962.78

Finding the Fourth Proportional to 239,167.49, 358,702.02 and 105,962.78

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Solution

The fourth proportional to 239,167.49, 358,702.02 and 105,962.78 is: 158,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,167.49 : 358,702.02 = 105,962.78 : x
  2. Step 2: Convert to fraction form
    239,167.49/358,702.02 = 105,962.78/x
  3. Step 3: Cross multiply
    239,167.49x = 358,702.02 × 105,962.78
  4. Step 4: Simplify right side
    239,167.49x = 38,009,064,127.57
  5. Step 5: Solve for x
    x = 38,009,064,127.57/239,167.49
  6. Step 6: Final answer
    x = 158,922.37

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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.