Home / 314,860.61-472,057.63-190,172.45

Finding the Fourth Proportional to 314,860.61, 472,057.63 and 190,172.45

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Solution

The fourth proportional to 314,860.61, 472,057.63 and 190,172.45 is: 285,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,860.61 : 472,057.63 = 190,172.45 : x
  2. Step 2: Convert to fraction form
    314,860.61/472,057.63 = 190,172.45/x
  3. Step 3: Cross multiply
    314,860.61x = 472,057.63 × 190,172.45
  4. Step 4: Simplify right side
    314,860.61x = 89,772,353,202.57
  5. Step 5: Solve for x
    x = 89,772,353,202.57/314,860.61
  6. Step 6: Final answer
    x = 285,117.77

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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.