Home / 145,555.02-218,385.93-61,336.38

Finding the Fourth Proportional to 145,555.02, 218,385.93 and 61,336.38

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Solution

The fourth proportional to 145,555.02, 218,385.93 and 61,336.38 is: 92,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,555.02 : 218,385.93 = 61,336.38 : x
  2. Step 2: Convert to fraction form
    145,555.02/218,385.93 = 61,336.38/x
  3. Step 3: Cross multiply
    145,555.02x = 218,385.93 × 61,336.38
  4. Step 4: Simplify right side
    145,555.02x = 13,395,002,389.13
  5. Step 5: Solve for x
    x = 13,395,002,389.13/145,555.02
  6. Step 6: Final answer
    x = 92,027.07

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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.