Home / 314,916.53-472,232.63-90,225.53

Finding the Fourth Proportional to 314,916.53, 472,232.63 and 90,225.53

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Solution

The fourth proportional to 314,916.53, 472,232.63 and 90,225.53 is: 135,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,916.53 : 472,232.63 = 90,225.53 : x
  2. Step 2: Convert to fraction form
    314,916.53/472,232.63 = 90,225.53/x
  3. Step 3: Cross multiply
    314,916.53x = 472,232.63 × 90,225.53
  4. Step 4: Simplify right side
    314,916.53x = 42,607,438,960.32
  5. Step 5: Solve for x
    x = 42,607,438,960.32/314,916.53
  6. Step 6: Final answer
    x = 135,297.56

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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.