Home / 314,156.95-471,279.23-100,931.33

Finding the Fourth Proportional to 314,156.95, 471,279.23 and 100,931.33

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Solution

The fourth proportional to 314,156.95, 471,279.23 and 100,931.33 is: 151,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,156.95 : 471,279.23 = 100,931.33 : x
  2. Step 2: Convert to fraction form
    314,156.95/471,279.23 = 100,931.33/x
  3. Step 3: Cross multiply
    314,156.95x = 471,279.23 × 100,931.33
  4. Step 4: Simplify right side
    314,156.95x = 47,566,839,485.28
  5. Step 5: Solve for x
    x = 47,566,839,485.28/314,156.95
  6. Step 6: Final answer
    x = 151,411.07

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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.