Home / 238,570.50-357,857.28-70,090.14

Finding the Fourth Proportional to 238,570.50, 357,857.28 and 70,090.14

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Solution

The fourth proportional to 238,570.50, 357,857.28 and 70,090.14 is: 105,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,570.50 : 357,857.28 = 70,090.14 : x
  2. Step 2: Convert to fraction form
    238,570.50/357,857.28 = 70,090.14/x
  3. Step 3: Cross multiply
    238,570.50x = 357,857.28 × 70,090.14
  4. Step 4: Simplify right side
    238,570.50x = 25,082,266,855.22
  5. Step 5: Solve for x
    x = 25,082,266,855.22/238,570.50
  6. Step 6: Final answer
    x = 105,135.66

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1.5x scale

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.