Home / 111,099.06-153,316.80-63,351.18

Finding the Fourth Proportional to 111,099.06, 153,316.80 and 63,351.18

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Solution

The fourth proportional to 111,099.06, 153,316.80 and 63,351.18 is: 87,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099.06 : 153,316.80 = 63,351.18 : x
  2. Step 2: Convert to fraction form
    111,099.06/153,316.80 = 63,351.18/x
  3. Step 3: Cross multiply
    111,099.06x = 153,316.80 × 63,351.18
  4. Step 4: Simplify right side
    111,099.06x = 9,712,800,193.82
  5. Step 5: Solve for x
    x = 9,712,800,193.82/111,099.06
  6. Step 6: Final answer
    x = 87,424.68

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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.