Home / 374,740.02-517,135.59-223,807.86

Finding the Fourth Proportional to 374,740.02, 517,135.59 and 223,807.86

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Solution

The fourth proportional to 374,740.02, 517,135.59 and 223,807.86 is: 308,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,740.02 : 517,135.59 = 223,807.86 : x
  2. Step 2: Convert to fraction form
    374,740.02/517,135.59 = 223,807.86/x
  3. Step 3: Cross multiply
    374,740.02x = 517,135.59 × 223,807.86
  4. Step 4: Simplify right side
    374,740.02x = 115,739,009,727.74
  5. Step 5: Solve for x
    x = 115,739,009,727.74/374,740.02
  6. Step 6: Final answer
    x = 308,851.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.