Home / 153,900.60-212,297.46-90,226.14

Finding the Fourth Proportional to 153,900.60, 212,297.46 and 90,226.14

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Solution

The fourth proportional to 153,900.60, 212,297.46 and 90,226.14 is: 124,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,900.60 : 212,297.46 = 90,226.14 : x
  2. Step 2: Convert to fraction form
    153,900.60/212,297.46 = 90,226.14/x
  3. Step 3: Cross multiply
    153,900.60x = 212,297.46 × 90,226.14
  4. Step 4: Simplify right side
    153,900.60x = 19,154,780,347.60
  5. Step 5: Solve for x
    x = 19,154,780,347.60/153,900.60
  6. Step 6: Final answer
    x = 124,462.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.