Home / 111,189.24-153,432.90-62,788.23

Finding the Fourth Proportional to 111,189.24, 153,432.90 and 62,788.23

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Solution

The fourth proportional to 111,189.24, 153,432.90 and 62,788.23 is: 86,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,189.24 : 153,432.90 = 62,788.23 : x
  2. Step 2: Convert to fraction form
    111,189.24/153,432.90 = 62,788.23/x
  3. Step 3: Cross multiply
    111,189.24x = 153,432.90 × 62,788.23
  4. Step 4: Simplify right side
    111,189.24x = 9,633,780,214.77
  5. Step 5: Solve for x
    x = 9,633,780,214.77/111,189.24
  6. Step 6: Final answer
    x = 86,643.10

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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.