Home / 325,233.02-487,641.47-156,417.14

Finding the Fourth Proportional to 325,233.02, 487,641.47 and 156,417.14

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Solution

The fourth proportional to 325,233.02, 487,641.47 and 156,417.14 is: 234,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,233.02 : 487,641.47 = 156,417.14 : x
  2. Step 2: Convert to fraction form
    325,233.02/487,641.47 = 156,417.14/x
  3. Step 3: Cross multiply
    325,233.02x = 487,641.47 × 156,417.14
  4. Step 4: Simplify right side
    325,233.02x = 76,275,484,519.81
  5. Step 5: Solve for x
    x = 76,275,484,519.81/325,233.02
  6. Step 6: Final answer
    x = 234,525.65

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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.