Home / 158,598.05-218,868.12-86,977.44

Finding the Fourth Proportional to 158,598.05, 218,868.12 and 86,977.44

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Solution

The fourth proportional to 158,598.05, 218,868.12 and 86,977.44 is: 120,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,598.05 : 218,868.12 = 86,977.44 : x
  2. Step 2: Convert to fraction form
    158,598.05/218,868.12 = 86,977.44/x
  3. Step 3: Cross multiply
    158,598.05x = 218,868.12 × 86,977.44
  4. Step 4: Simplify right side
    158,598.05x = 19,036,588,775.21
  5. Step 5: Solve for x
    x = 19,036,588,775.21/158,598.05
  6. Step 6: Final answer
    x = 120,030.41

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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.