Home / 111,416.91-153,754.64-60,430.86

Finding the Fourth Proportional to 111,416.91, 153,754.64 and 60,430.86

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Solution

The fourth proportional to 111,416.91, 153,754.64 and 60,430.86 is: 83,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,416.91 : 153,754.64 = 60,430.86 : x
  2. Step 2: Convert to fraction form
    111,416.91/153,754.64 = 60,430.86/x
  3. Step 3: Cross multiply
    111,416.91x = 153,754.64 × 60,430.86
  4. Step 4: Simplify right side
    111,416.91x = 9,291,524,053.26
  5. Step 5: Solve for x
    x = 9,291,524,053.26/111,416.91
  6. Step 6: Final answer
    x = 83,394.20

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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.