Home / 111,607.36-154,019.22-61,306.36

Finding the Fourth Proportional to 111,607.36, 154,019.22 and 61,306.36

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Solution

The fourth proportional to 111,607.36, 154,019.22 and 61,306.36 is: 84,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,607.36 : 154,019.22 = 61,306.36 : x
  2. Step 2: Convert to fraction form
    111,607.36/154,019.22 = 61,306.36/x
  3. Step 3: Cross multiply
    111,607.36x = 154,019.22 × 61,306.36
  4. Step 4: Simplify right side
    111,607.36x = 9,442,357,748.24
  5. Step 5: Solve for x
    x = 9,442,357,748.24/111,607.36
  6. Step 6: Final answer
    x = 84,603.36

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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.