Home / 314,526.51-471,079.98-145,692.15

Finding the Fourth Proportional to 314,526.51, 471,079.98 and 145,692.15

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Solution

The fourth proportional to 314,526.51, 471,079.98 and 145,692.15 is: 218,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,526.51 : 471,079.98 = 145,692.15 : x
  2. Step 2: Convert to fraction form
    314,526.51/471,079.98 = 145,692.15/x
  3. Step 3: Cross multiply
    314,526.51x = 471,079.98 × 145,692.15
  4. Step 4: Simplify right side
    314,526.51x = 68,632,655,108.16
  5. Step 5: Solve for x
    x = 68,632,655,108.16/314,526.51
  6. Step 6: Final answer
    x = 218,209.44

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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.