Home / 111,688.40-154,130.00-60,701.26

Finding the Fourth Proportional to 111,688.40, 154,130.00 and 60,701.26

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Solution

The fourth proportional to 111,688.40, 154,130.00 and 60,701.26 is: 83,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,688.40 : 154,130.00 = 60,701.26 : x
  2. Step 2: Convert to fraction form
    111,688.40/154,130.00 = 60,701.26/x
  3. Step 3: Cross multiply
    111,688.40x = 154,130.00 × 60,701.26
  4. Step 4: Simplify right side
    111,688.40x = 9,355,884,129.64
  5. Step 5: Solve for x
    x = 9,355,884,129.64/111,688.40
  6. Step 6: Final answer
    x = 83,767.73

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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.