Home / 145,985.95-218,959.99-46,156.22

Finding the Fourth Proportional to 145,985.95, 218,959.99 and 46,156.22

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Solution

The fourth proportional to 145,985.95, 218,959.99 and 46,156.22 is: 69,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985.95 : 218,959.99 = 46,156.22 : x
  2. Step 2: Convert to fraction form
    145,985.95/218,959.99 = 46,156.22/x
  3. Step 3: Cross multiply
    145,985.95x = 218,959.99 × 46,156.22
  4. Step 4: Simplify right side
    145,985.95x = 10,106,365,469.64
  5. Step 5: Solve for x
    x = 10,106,365,469.64/145,985.95
  6. Step 6: Final answer
    x = 69,228.34

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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.