Home / 111,125.23-153,346.93-60,814.51

Finding the Fourth Proportional to 111,125.23, 153,346.93 and 60,814.51

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Solution

The fourth proportional to 111,125.23, 153,346.93 and 60,814.51 is: 83,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,125.23 : 153,346.93 = 60,814.51 : x
  2. Step 2: Convert to fraction form
    111,125.23/153,346.93 = 60,814.51/x
  3. Step 3: Cross multiply
    111,125.23x = 153,346.93 × 60,814.51
  4. Step 4: Simplify right side
    111,125.23x = 9,325,718,407.95
  5. Step 5: Solve for x
    x = 9,325,718,407.95/111,125.23
  6. Step 6: Final answer
    x = 83,920.80

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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.