Home / 111,036.74-153,234.63-63,282.38

Finding the Fourth Proportional to 111,036.74, 153,234.63 and 63,282.38

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Solution

The fourth proportional to 111,036.74, 153,234.63 and 63,282.38 is: 87,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,036.74 : 153,234.63 = 63,282.38 : x
  2. Step 2: Convert to fraction form
    111,036.74/153,234.63 = 63,282.38/x
  3. Step 3: Cross multiply
    111,036.74x = 153,234.63 × 63,282.38
  4. Step 4: Simplify right side
    111,036.74x = 9,697,051,318.65
  5. Step 5: Solve for x
    x = 9,697,051,318.65/111,036.74
  6. Step 6: Final answer
    x = 87,331.92

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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.