Home / 155,960.40-233,940.60-77,058.30

Finding the Fourth Proportional to 155,960.40, 233,940.60 and 77,058.30

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Solution

The fourth proportional to 155,960.40, 233,940.60 and 77,058.30 is: 115,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,960.40 : 233,940.60 = 77,058.30 : x
  2. Step 2: Convert to fraction form
    155,960.40/233,940.60 = 77,058.30/x
  3. Step 3: Cross multiply
    155,960.40x = 233,940.60 × 77,058.30
  4. Step 4: Simplify right side
    155,960.40x = 18,027,064,936.98
  5. Step 5: Solve for x
    x = 18,027,064,936.98/155,960.40
  6. Step 6: Final answer
    x = 115,587.45

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1.5x scale

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.