Home / 260,332.41-390,860.02-134,062.93

Finding the Fourth Proportional to 260,332.41, 390,860.02 and 134,062.93

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Solution

The fourth proportional to 260,332.41, 390,860.02 and 134,062.93 is: 201,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,332.41 : 390,860.02 = 134,062.93 : x
  2. Step 2: Convert to fraction form
    260,332.41/390,860.02 = 134,062.93/x
  3. Step 3: Cross multiply
    260,332.41x = 390,860.02 × 134,062.93
  4. Step 4: Simplify right side
    260,332.41x = 52,399,839,403.11
  5. Step 5: Solve for x
    x = 52,399,839,403.11/260,332.41
  6. Step 6: Final answer
    x = 201,280.50

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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.