Home / 250,075.83-375,090.45-70,178.07

Finding the Fourth Proportional to 250,075.83, 375,090.45 and 70,178.07

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Solution

The fourth proportional to 250,075.83, 375,090.45 and 70,178.07 is: 105,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,075.83 : 375,090.45 = 70,178.07 : x
  2. Step 2: Convert to fraction form
    250,075.83/375,090.45 = 70,178.07/x
  3. Step 3: Cross multiply
    250,075.83x = 375,090.45 × 70,178.07
  4. Step 4: Simplify right side
    250,075.83x = 26,323,123,856.43
  5. Step 5: Solve for x
    x = 26,323,123,856.43/250,075.83
  6. Step 6: Final answer
    x = 105,260.57

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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.